Question

20 resistors, each of them having resiatance 4resiatance, are connected in parallel. calculate the effective resistance.​

Answer 1

Answer:

Correct option is

C

0.5Ω

Step 1: Calculation of net resistance

For parallel arrangement,

R

eq

1

=

R

1

1

+

R

2

1

+

R

3

1

+

R

4

1

.

Resistance of every resistor =2Ω

⇒

R

eq

1

=

2

1

+

2

1

+

2

1

+

2

1

=2

⇒R

eq

=

2

1

=0.5Ω.

Hence, Option C is correct.

Explanation:

this is the correct answer dear

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