OHM'S LAW QUIZ

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

100 V

14.4 V

10 V

1.4 V

TRUE ANSWER : ?
YOUR ANSWER : ?

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

1.2 A

12 A

120 mA

12 mA

TRUE ANSWER : ?
YOUR ANSWER : ?

When 12 V are applied across a 68 resistor, the current is

816 mA

8.16 mA

176 mA

17.6 mA

TRUE ANSWER : ?
YOUR ANSWER : ?

If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor?

8.25 V

14.6 V

82.5 V

146 V

TRUE ANSWER : ?
YOUR ANSWER : ?

Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k of resistance?

5.9 mA

27.2 mA

59 mA

590 mA

TRUE ANSWER : ?
YOUR ANSWER : ?

An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately

31

38.5

3.1

385

TRUE ANSWER : ?
YOUR ANSWER : ?

A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange, orange, silver?

214 mA

2.2 mA

21.4 mA

2 mA

TRUE ANSWER : ?
YOUR ANSWER : ?

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?

32 V

3.2 V

8 V

320 V

TRUE ANSWER : ?
YOUR ANSWER : ?

The current through a flashlight bulb is 40 mA and the total battery voltage is 4.5 V. The resistance of the bulb is approximately

112

11.2

1.2

18

TRUE ANSWER : ?
YOUR ANSWER : ?

A resistance of 3.3 M is connected across a 500 V source. The resulting current is approximately

66 mA

151 µA

15.1 µA

660 mA

TRUE ANSWER : ?
YOUR ANSWER : ?

↑