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Current in a circuit

0 votes

asked Aug 1, 2015 in ELECTRICAL ENGINEERING by anonymous

3 Answers

0 votes

(1)

Step 1:

Redraw the circuit showing branch currents.

Apply KVL for the first loop.

Apply KVL for the second loop.

Substitute in equation (1).

Since the current is in opposite direction to the assumed current direction, .

Solution :

The current flowing in the second loop is .

answered Aug 1, 2015 by Lucy Mentor
edited Aug 1, 2015 by Lucy
0 votes

(2)

Step 1:

Observe the circuit.

Apply KVL for the first loop.

image

The loop current is image.       (From (1))

image

image

The current in the first loop is image.

Solution :

The current in the first loop is image.

answered Aug 1, 2015 by Lucy Mentor
0 votes

(3)

Step 1:

The loop currents are image and image.          (From (1) and (2))

The current flowing through the resistor image is image.

image

The current flowing through the resistor image is image.

Solution :

The current flowing through the resistor image is image.

answered Aug 1, 2015 by Lucy Mentor

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