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Current electricity problems
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0
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277
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July 5, 2019
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Use Kirchhoff s rules to determine the value of the current $I_{1 }$ flowing in the circuit shown in the figure
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2
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20326
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September 29, 2018
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Calculate the value of R in the balance condition of the Wheatstone bridge
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1
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7251
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December 12, 2016
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Write two possible causes for one sided deflection in a potentiometer experiment
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0
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9393
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December 12, 2016
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Why are the connections between the resistors in a meter bridge made of thick copper strips?
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1
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23548
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December 12, 2016
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Determine the current in each branch of the following network
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1
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8572
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December 12, 2016
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AB is a potentiometer wire as shown in figure
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1
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3147
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December 12, 2016
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In the meter bridge experiment, the balance point
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1
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6456
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December 12, 2016
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Six lead-acid type of secondary cells each of emf 2 V
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1
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7033
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December 12, 2016
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Write any two factors on which internal resistance of a cell depends
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1
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11102
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December 12, 2016
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First a set of n equal resistors of R
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1
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3135
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December 12, 2016
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When is more power delivered to a light bulb
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1
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3597
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December 12, 2016
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Power P is to be delivered to a device via transmission cables
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1
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1696
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December 12, 2016
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Write two characteristics of manganin which make it suitable for making standard resistances
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0
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9413
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December 12, 2016
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Two conductors are made of the same material
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1
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6124
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December 12, 2016
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A conductor of length l
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1
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10251
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December 12, 2016
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What conclusion can you draw
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1
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767
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December 12, 2016
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A potentiometer wire of length 1 m has a resistance 10 ohm
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0
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12382
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September 7, 2016
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A battery of emf E and internal resistance r ohm when connected
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0
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733
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September 7, 2016
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State the underlying principle of a potentiometer. Why is it necessary to
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1
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10930
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September 7, 2016
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Derive an expression for the voltage across R when the sliding contact is in the middle of the potentiometer
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1
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3072
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September 7, 2016
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In the figure a long uniform potentiometer wire AB is having a constant potential gradient along its length
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1
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4864
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September 7, 2016
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State underlying principle of a potentiometer
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1
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4630
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September 7, 2016
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State the working principle of a potentiometer
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1
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12102
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September 7, 2016
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You are given two sets of potentiometer circuit to measure the emf of a cell
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1
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5552
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September 7, 2016
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For the circuit shown here, would the balancing length increase, decrease or remain the same
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1
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3150
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September 7, 2016
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Calculate the value of the unknown potential V for the given potentiometer circuit
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1
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5347
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September 7, 2016
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State the underlying principle of a potentiometer
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0
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1168
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September 7, 2016
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With the help of the circuit diagram, explain the working principle of meter bridge
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1
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10620
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September 7, 2016
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A uniform wire of resistance 48 ohm is cut into three pieces so that the ratio of the resistances
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1
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3296
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September 7, 2016
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