# Electrical Engineering - Ohm's Law

### Exercise :: Ohm's Law - General Questions

6.

How much resistance is required to limit the current from a 12 V battery to 3.6 mA?

 A. 3.3 k B. 33 k C. 2.2 k D. 22 k

Explanation:

No answer description available for this question. Let us discuss.

7.

What is the voltage source for a circuit carrying 2 A of current through a 36 resistor?

 A. 1.8 V B. 18 V C. 7.2 V D. 72 V

Explanation:

No answer description available for this question. Let us discuss.

8.

What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source?

 A. 9.7 B. 97 C. 23 D. 230

Explanation:

No answer description available for this question. Let us discuss.

9.

How much voltage is needed to produce 2.5 A of current through a 200 resistor?

 A. 50 V B. 500 V C. 80 V D. 8 V

Explanation:

No answer description available for this question. Let us discuss.

10.

When there is 12 mA of current through a 1.2 k resistor, the voltage across the resistor is

 A. 14.4 V B. 1.4 V C. 100 V D. 10 V

Explanation:

V = IR (Ohms Law)

= 12 X 10-3 X 1.2 X 10 3

= 12 X 1.2

= 14.4 V