Question

Comsider the figure at right side. The current through 6 ohm resistor is 4A in the direction shown . What are the current through the 25 phn and 20 ohm resistors?

Answer 1

Answer:

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Explanation:

For the circuit shown in the following diagram. What is the value of

(i) Current through 6Ω resistor?

(ii) P.D. across 12Ω resistor ?

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Answer

(i) R=6+3=9Ω

V=4V

I=

R

V

=

9

4

=0.45A

(ii) 12 ohm and 3 ohm are in series

R=12+3=15Ω

I=

R

V

=

15

4

=0.27A

p.d across 12 ohms= IR=0.27×12=3.24V