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MOTION-CURRENT ELECTRICITY-EXERCISE -4 (Level -I)
- A material 'B' has twice the specific resistance of 'A'. A circular wi...
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- A 5 V battery with internal resistance 2Omega and a 2V battery with i...
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- Statement I : The temperature dependence of resistance is usally given...
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- In the circuit shown below, the key K is closed at t =0. The current t...
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- If 400 Omega of resistance is made by adding four 100 Omega resistance...
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- The current in the primary circuit of a potentiometer is 0.2 A. The sp...
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- If a copper wire is stretched to make it 0.1% longer wha is the percen...
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- Two electic bulbs marked 25 W -220 V and 100 W - 220 V are connected i...
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- Resistance of a given wire is obtained by mea suring the current flowi...
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- The supply voltage to room is 120 V. The resistance of the lead wires ...
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- Assertion : Higher the range, greater is the resistance of ammeter. ...
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- In a large building, there are 15 bulbs of 40 W, 5 bulbs of 100 W, 5 f...
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- When 5 V potential difference is applied across a wire of length 0.1 m...
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- In the circuit shown , the current in the 1Omega resistor is :
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- A galvanometer having a coil resistance of 100 omega gives a full scal...
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- The temperature dependence of resistance of Cu and undoped Si in the t...
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- In the above circuit the current in each resistance is -
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- In the given circuit diagram when the current reaches steady state in...
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