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Work of 14 J is done to move 2 C charge between two points on a conducting wire. What is the potential difference between the two points?
Anonymous Quiz
19%
17v
30%
14v
43%
7v
8%
3.5v
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A cooler of 1500 W, 200 volt and a fan of 500 W, 200 volt are to be used from a household supply. The rating of fuse to be used is
Anonymous Quiz
30%
1.0 A
24%
0.1A
38%
10 A
8%
01A
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A coil in the heater consumes power P on passing current. If it is cut into halves and joined in parallel, it will consume power
Anonymous Quiz
16%
P
42%
P/2
32%
2p
11%
4p
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Two bulbs are rated 40W, 220W and 60W, 220W. The ratio of their resistances will be:
Anonymous Quiz
22%
1:2
39%
2:3
29%
3:4
10%
3:2
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If n resistors each of resistance R are connected in parallel combination then their equivalent resistance is
Anonymous Quiz
39%
2R
28%
R/n
20%
R/2n
14%
2R/n
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