Electrical Engineering - Ohm's Law

Exercise :: Ohm's Law - General Questions

16. 

How much resistance is needed to draw 17.6 mA from a 12 volt source?

A. 212
B. 6.8 k
C. 68
D. 680

Answer: Option D

Explanation:

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

17. 

How much current is produced by a voltage of 18 kV across a 15 k resistance?

A. 1.2 A
B. 12 A
C. 120 mA
D. 12 mA

Answer: Option A

Explanation:

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

18. 

A current of 200 µA through a 6.8 k resistor produces a voltage drop of

A. 34.4 V
B. 340 V
C. 13.6 V
D. 1.36 V

Answer: Option D

Explanation:

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

19. 

Four amperes of current are measured through a 24 resistor connected across a voltage source. How much voltage does the source produce?

A. 960 V
B. 9.6 V
C. 96 V
D. 8 V

Answer: Option C

Explanation:

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

20. 

Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor?

A. 4
B. 400
C. 4 k
D. 4.4

Answer: Option C

Explanation:

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