1.

how can three resistors of 1, 2 and 3 ohms be arranged in a circuit in order to get a combined resistance of 11/4 ohm? ​

Answer»

Answer:

ANSWER

(a)

Equivalent RESISTANCE is

R

eq

=R

1

+R

2

+R

3

=(1+2+3)Ω=6Ω

(B)

Current in the circuit is given by I=

R

E

I=

6

12

=2Ω

Potential drop across 1Ω, V

1

=IR

1

=2×1=2V

Potential drop across 2Ω,V

2

=IR

2

=2×2=4V

Potential drop across 3Ω,V

3

=IR

3

=2×3=6V



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