# Ohm's Law - General Questions Online Exam Quiz

Ohm's Law - General Questions GK Quiz. Question and Answers related to Ohm's Law - General Questions. MCQ (Multiple Choice Questions with answers about Ohm's Law - General Questions

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

**Options**

A : 385

B : 38.5

C : 3.1

D : 31

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

**Options**

A : 8.25 V

B : 82.5 V

C : 14.6 V

D : 146 V

### The formula to find I when the values of V and R are known is

**Options**

A : I = VR

B : I = R/V

C : V = IR

D : I = V/R

### 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?

**Options**

A : 2 mA

B : 2.2 mA

C : 214 mA

D : 21.4 mA

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

**Options**

A : 27.2 mA

B : 59 mA

C : 5.9 mA

D : 590 mA

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

**Options**

A : 3.3 k

B : 33 k

C : 2.2 k

D : 22 k

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

**Options**

A : 1.8 V

B : 18 V

C : 7.2 V

D : 72 V

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

**Options**

A : 9.7

B : 97

C : 23

D : 230

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

**Options**

A : 50 V

B : 500 V

C : 80 V

D : 8 V

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

**Options**

A : 14.4 V

B : 1.4 V

C : 100 V

D : 10 V

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