Electrical Current

Question

Answer 1

Step 1:

Observe the circuit,

Potential at is and Potential at is .

Find the terminal voltage of the circuit.

Voltage at the battery is .

Resultant voltage across the resistor .

Find the current flowing through the resistor.

Ohm's law: .

Substitute and in the above expression.

A.

Solution:

Current measured by the ampere meter is A.