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Ohm's Law

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Ohm’s law applies to all d. c. circuits incorporating resistance.

a)

True

b)

False

c)

Maybe

2.

Current flow is proportional to applied voltage.

a)

True

b)

False

c)

Only for conventional current flow

3.

The prefix used before units to measure millions is kilo.

a)

True

b)

False

4.

You cannot add or subtract when using engineering notation.

a)

True

b)

False

5.

Only large numbers can be expressed in engineering notation.

a)

True

b)

False

c)

Only in the SI system of units

6.

A current of 200mA is equal to:

a)

2 amperes

b)

200 000 amperes

c)

0.2 amperes

d)

2 000 000 amperes

7.

The opposition to current flow is known as:

a)

reluctance

b)

inductance

c)

capacitance

d)

resistance

8.

Ten gigawatts of power is equal to:

a)

10 000 000 watts

b)

0.000 000 001 watts

c)

10 000 watts

d)

10 000 000 000 watts

9.

The SI unit of conductance is the:

a)

ohm

b)

Siemen

c)

coulomb

d)

mho

10.

Ohm’s law states that voltage equals:

a)

resistance multiplied by current

b)

current divided by resistance

c)

current multiplied by conductance

d)

resistance divided by current

11.

A method for helping to remember the three Ohm’s law equations is the:

a)

Ohm’s law triangle

b)

Ohm’s law for current

c)

Ohm’s law for resistance

d)

Ohm’s law for voltage

12.

The metric prefix suitable for displaying the value of 0.0000012 using engineering notation would be:

a)

nano

b)

pico

c)

milli

d)

micro

13.

The metric prefix for expressing thousandths of a unit is:

a)

kilo

b)

pico

c)

milli

d)

mega

14.

Convert 2000µA to amperes:

a)

2 amperes

b)

0.2 amperes

c)

0.02 amperes

d)

0.002 amperes

15.

Resistance to current flow is also known as:

a)

the opposition to the flow of current

b)

the voltage applied to the circuit

c)

the current drawn by the circuit

d)

the conductance of the circuit