wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

prosperities of electric current 2

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

What unit is used to measure resistance?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

2.

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

a)

1/3 ohms

b)

3 ohms

c)

27 ohms

d)

9 ohms

3.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
4.

An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.

a)

60Ω

b)

120Ω

c)

180Ω

d)

240Ω

5.

Speakers need a household voltage of 110 V to push a current of 5.5 A through them. What is the

resistance of the speakers?

a)

10Ω

b)

20Ω

c)

30Ω

d)

40Ω

6.

A circuit contains a 1.5 volt battery and a bulb with a resistance of 3 ohms. Calculate the current.

a)

0.5A

b)

1A

c)

1.5A

d)

2A

7.

An electric heater works by passing a current of 100 A though a coiled metal wire, making it red hot. If the

resistance of the wire is 1.1 ohms, what voltage must be applied to it?

a)

70V

b)

90V

c)

110V

d)

130V

8.

What is resistance measured in?

a)

Ω (ohm)

b)

V (volt)

c)

A (ampere)

d)

W (watt)

9.

the measuring unit of the electric charges

a)

coulomb

b)

ampere

c)

volt)

10.

is used to measure the electromotive force of a battery

a)

Ammeter

b)

Voltmeter

c)

Rheostat)

11.

The sliding Rheostat is used to change .......... and ............ in the electric circuit

a)

the resistance and potential difference

b)

current intensity and resistance

c)

The current intensity and potential difference

12.

Which component is this the symbol for?

a)

Resistor

b)

Light dependent resistor

c)

Thermistor

d)

Variable resistor

13.
What supplies the energy in an electric circuit?
a)
light bulb
b)
conductor
c)
wire
d)
battery
14.
Which word means how hard it is for electrons to flow?
a)
Current
b)
Voltage
c)
Resistance
d)
Power
15.
If the Voltage stays the same and Resistance is increased, Current will 
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
16.

A potential difference of 24 V is applied to a 150 resistor. How much current flows through the resistor?

a)

0.15 A

b)

3600 A

c)

6.25 A

d)

0.16 A

17.

Which equation can be rearranged to calculate the the electric current given?

a)

I = Q ÷ t

b)

Q = It

c)

I = Qt

d)

I = t ÷Q

18.

The potential difference between two points, A and B, in an electric field is 2.00 volts. The energy required to move a charge of 8.00 x 10-19 coulomb from point A to point B is

a)

2.50 x 1018 J

b)

1.60 x 10-18 J

c)

6.25 x 1017 J

d)

4.00 x 10-19 J

19.

How much work is required to move 3.0 coulombs of electric charge a distance of 0.010 meter through a potential difference of 9.0 volts?

a)

3.0 x 10-2 J

b)

3.0 J

c)

27 J

d)

2.7 x 103 J

20.

Which combination of units can be used to express electrical energy?

a)

volt × coulomb ×sec⁡ondvolt\ \times\ coulomb\ \times\sec ond

b)

volt×coulombvolt\times coulomb

c)

coulombvolt\frac{coulomb}{volt}

d)

voltcoulomb\frac{volt}{coulomb}

Similar Resources on Wayground

Pháp luật cạnh tranh

15 questions

Pháp luật cạnh tranh

quiz

Worksheet

•

10th Grade

Repaso de sociales

20 questions

Repaso de sociales

quiz

Worksheet

•

1st - 10th Grade

Atoms

20 questions

Atoms

quiz

Worksheet

•

8th - 9th Grade

Modelos Atómicos

21 questions

Modelos Atómicos

quiz

Worksheet

•

9th Grade

Cell Respiration

15 questions

Cell Respiration

quiz

Worksheet

•

9th Grade

7C Particles - ECAM

20 questions

7C Particles - ECAM

quiz

Worksheet

•

7th - 10th Grade

LAST 2!

20 questions

LAST 2!

quiz

Worksheet

•

10th - 11th Grade

Repaso ciclo de las rocas

20 questions

Repaso ciclo de las rocas

quiz

Worksheet

•

9th Grade