Q. No.
If power dissipated in the 9 resistor in the circuit shown is 36 W, the potential difference across the 2 resistor is
1. 8 V
2. 10 V
3. 2 V
4. 4 V
1. 8 V
2. 10 V
3. 2 V
4. 4 V
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1. 6.3 min
2. 8.4 min
3. 12.6 min
4. 4.2 min
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The metre bridge shown is in balanced position with . If we now interchange the position of galvanometer and cell, will the bridge work? If yes, what will be balanced condition?
(1) yes,
(2) no, no null point
(3) yes,
(4) yes,
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1. 1.5 V
2. 1.0 V
3. 0.5 V
4. 3.2 V
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resistor when connected across a battery. The same battery supplies a current of 0.5 A when connected across a 9 
resistor. The internal resistance of the battery is :1. 1/3
2. 1/4
3. 1
4. 0.5
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2. -r and E
3. r and -E
4. -E and r
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1. 4 W
2. 2W
3. 1 W
4. 5W
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