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AB is a current-carrying conductor in the plane of the paper as shown in figure. What are the directions of magnetic fields produced by it at points P and Q? Given r1 > r2, where will the strength of the magnetic field be larger?
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0
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3344
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March 16, 2018
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The given magnet is divided into three parts A, B and C
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0
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10406
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March 16, 2018
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Identify the poles of the magnet in the figure
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0
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14340
|
March 16, 2018
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Observe the circuit and answer the questions given below
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1
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3855
|
October 22, 2016
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Units and symbols
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0
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1129
|
October 22, 2016
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Components and symbols
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0
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2092
|
October 22, 2016
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|
Resistivity of various materials
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0
|
3117
|
October 22, 2016
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Why doesn't a bird get a shock when it stands on a high voltage wire?
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0
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718
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October 22, 2016
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What happens to our body if we touch live wire of 240 V?
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0
|
2016
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October 22, 2016
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Why does a bulb glow immediately when we switch on?
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0
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1625
|
October 22, 2016
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|
Why do electrons move in specified direction?
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0
|
2200
|
October 22, 2016
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|
How does a conductor transfer energy from source to bulb?
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0
|
2195
|
October 22, 2016
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|
Why does a short circuit damage electric wiring and devices connected to it?
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0
|
1815
|
October 22, 2016
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|
What do you mean by short circuit?
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0
|
3297
|
October 22, 2016
|
|
How do you verify that the resistance of a conductor is proportional to the cross-section area?
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0
|
795
|
October 22, 2016
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|
Conduct an activity to show that resistance of a conductor
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1
|
1569
|
October 22, 2016
|
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Describe an activity to show that nature of the material influences the resistance of conductor?
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0
|
1983
|
October 22, 2016
|
|
Conduct an activity to show that the resistance of a conductor is temperature dependent?
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0
|
2325
|
October 22, 2016
|
|
State ohm's law, suggest an experiment to verify it and explain the procedure
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0
|
17104
|
October 22, 2016
|
|
Write an activity to check when a bulb glows in a circuit
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|
0
|
1083
|
October 22, 2016
|
|
Draw the symbol of the following
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1
|
1630
|
October 22, 2016
|
|
Which instrument is used to measure potential difference or emf?
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0
|
1263
|
October 22, 2016
|
|
Why do electrons move in specified direction when the conductor is connected to a battery?
|
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0
|
788
|
October 22, 2016
|
|
What is lattice?
|
|
0
|
485
|
October 22, 2016
|
|
State Kirchhoffs Junction Law
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0
|
465
|
October 22, 2016
|
|
What are the limitations of Ohm's law?
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0
|
22815
|
October 22, 2016
|
|
Define potential difference and give an expression to it
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0
|
1639
|
October 22, 2016
|
|
What are the factors affecting the resistance of a material?
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|
0
|
2420
|
October 22, 2016
|
|
Define electric current and give an expression to it
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0
|
1148
|
October 22, 2016
|
|
Derive R = pl/A
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|
0
|
9442
|
October 22, 2016
|