Question

1. LEDs or Light Emitting Diodes glow when an electric current flows through them. These are used in :

A. toys

B. indicators in many instruments

C. electronic and electric devices

D. All of these

2.The direction of current in an electric circuit is from -

A. the positive to the negative terminal of the electric cell.

B. the negative to the positive terminal of the electric cell.

C. Both A & B.

D. None of these.

Answer 1

Explanation:

for question 1 d is the answer

for question 2 a is the answer

Answer 2

Explanation:

D. All of these

A. the positive to the negative terminal of the electric cell.