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Last Updated On 01-06-2023 - By Jeesha Sara

The current through the circuit shown in figure 1A. If each of  the resistors is replaced by  resistor, the current in circuit will become nearly

a)

1.11 A

b)

1.25 A

c)

1.34 A

d)

1.67 A


Question ID - 150290 :-

The current through the circuit shown in figure 1A. If each of  the resistors is replaced by  resistor, the current in circuit will become nearly

a)

1.11 A

b)

1.25 A

c)

1.34 A

d)

1.67 A

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

In the circuit shown total external resistance parallel combination of two 4  resistors + parallel combination of three 15  resistors

As and , hence internal resistance  of the cell should have a value given by

If  resistors are replaced by  resistors , then as before

    New circuit current



Next Question :

A 36  galvanometer is shunted by resistance of 4 . The percentage of the total current, which passes through the galvanometer is

a)

8%

b)

9%

c)

10%

d)

91%


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