Ohms Law(Engineering > Electrical Engineering ) Questions and Answers
Question 1. How much current is produced by a voltage of 18 kV across a 15 kΩ resistance?
1.2 A
12 A
120 mA
12 mA
Explanation:-
Answer: Option A. -> 1.2 A
Question 2. Four amperes of current are measured through a 24 Ω resistor connected across a voltage source. How much voltage does the source produce?
960 V
9.6 V
96 V
8 V
Explanation:-
Answer: Option C. -> 96 V
Question 3. What is the approximate filament resistance of a light bulb if it operates from a 110 V source and 0.6 A of current is flowing?
183 Ω
18.3 Ω
66 Ω
6.6 Ω
Explanation:-
Answer: Option A. -> 183 Ω
Question 4. The ampere is the unit of resistance.
True
False
Explanation:-
Answer: Option B. -> False
Question 5. If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?
8 V
320 V
3.2 V
32 V
Explanation:-
Answer: Option D. -> 32 V
Question 6. A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange and silver?
2 mA
2.2 mA
214 mA
21.4 mA
Explanation:-
Answer: Option B. -> 2.2 mA
Question 7. Approximately how many milli-amperes of current flow through a circuit with a 40 V source and 6.8 kΩ of resistance?
27.2 mA
59 mA
5.9 mA
590 mA
Explanation:-
Answer: Option C. -> 5.9 mA
Question 8. If 750 µA is flowing through 11 kΩ of resistance, what is the voltage drop across the resistor?
8.25 V
82.5 V
14.6 V
146 V
Explanation:-
Answer: Option A. -> 8.25 V
Question 9. Approximately how much current flows through a 3.3 MO resistor across a 30 V source?
9 µA
90 µA
900 µA
9000 µA
Explanation:-
Answer: Option A. -> 9 µA
Question 10. According to Ohm's Law
V is directly proportional to I
V is inversely proportional to I
V is directly proportional to vI
All of the above
Explanation:-
Answer: Option A. -> V is directly proportional to I