CBSE Class 12
CBSE Class 12 Physics
The objective of an astronomical telescope
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How is the working of telescope different
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Calculate the value of R in the balance condition of the Wheatstone bridge
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Write two possible causes for one sided deflection in a potentiometer experiment
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Why are the connections between the resistors in a meter bridge made of thick copper strips?
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Determine the current in each branch of the following network
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AB is a potentiometer wire as shown in figure
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In the meter bridge experiment, the balance point
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Six lead-acid type of secondary cells each of emf 2 V
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Write any two factors on which internal resistance of a cell depends
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First a set of n equal resistors of R
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When is more power delivered to a light bulb
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Power P is to be delivered to a device via transmission cables
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Write two characteristics of manganin which make it suitable for making standard resistances
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Two conductors are made of the same material
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A conductor of length l
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What conclusion can you draw
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A galvanometer coil has a resistance of 12 Q
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A rectangular coil of area 2 x ${{10}^{4}}$ ${{m}^{2}}$ and 40 turns
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What is the magnitude of magnetic force per unit length
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Find the force exerted at point 02 because of the wire along the X-axis
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Using Ampere’s circuital law, derive the expression
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A proton is travelling with horizontal velocity
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A uniform magnetic field Bis set up along the positive X-axis
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A circular coil of 20 turns and radius 10 cm
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Answer the following questions given
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Suggest some appropriate design particulars of a solenoid
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Explain how Biot-Savart’s law
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A point charge is moving with a constant velocity perpendicular
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A charge q moving along the X-axis with a velocity v
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