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Two resistors, A (10 Ω) and B (15 Ω). are connected in parallel. The combination is connected to a 3 V battery. The current through the battery is:
Question

Two resistors, A (10 Ω) and B (15 Ω). are connected in parallel. The combination is connected to a 3 V battery. The current through the battery is:

A.

0.3A

B.

0.12 A

C.

0.25A

D.

0.50A

Correct option is D

The correct answer is (d) 0.50 A.

Information Booster:

  • Parallel combination
    • Three resistors connected in  parallel to a battery of voltage V are depicted in the figure below.
    • In this type of connection, the resistors are typically connected on parallel wires that originate from a common point.
    • The voltage that flows through each resistor is the same in this instance. The equivalent resistance of the three resistances is depicted in the figure on the right.
    • The equation for the relationship betweenvoltage and current is,V=IR
    • The voltages across individual resistors will be, I1= V/R1, I2= V/R2, I3= V/R

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