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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 | SaraNextGen Top Answer

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
127 votes
Answer Key / Explanation : (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

127 votes


127