Question

In the circuit shown in figure, the current drawn from the circuit is 4Ampere. If 10 Ohm resister is replaced by 20 Ohm, then current drawn from the circuit will be?????
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Answer 1

Answer:

don't thank me i googled it

Explanation:

Given circuit is a balanced Wheatstone bridge circuit. So there will be no change in equivalent resistance. Hence no further current will be drawn.

Answer 2

Answer:

2Ampere

Explanation:

In 1st case

I - 4A

R - 10 Ohm

V -?

V=RI

V= 10×4

V = 40V

If Resistance 20 Ohm,

V - 40V

R-20 ohm

I = V/R

I = 40/20

I = 2Ampere

therefore the current drawn from the circuit is 2A when Resistance is 20 ohm.