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Electricity

Total questions: 24

Worksheet time: 38mins

Name
Class
Date
1.
The unit for current is the 
a)
Volt
b)
Ohm
c)
Electron
d)
Amp
2.
In a ________ circuit there are multiple paths for the current to take.
a)
Series
b)
Parallel
3.
In a _________ circuit, if one bulb goes out then the entire circuit doesn't work.
a)
Series
b)
Parallel
4.
What is the unit for resistance?
a)
Volts
b)
Amperes
c)
Ohms
5.
What type of circuit is pictured?
a)
series
b)
parallel
6.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
7.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
8.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
9.
What resistance is needed to cause a 20A current flow because of a 100V battery?
a)
0.2Ώ
b)
2000Ώ
c)
120Ώ
d)
5Ώ
10.
Lightning is an example of _________.
a)
static electricity
b)
current electricity
c)
watts
d)
voltage
11.
What is a closed path for electrons to flow through?
a)
static electricity
b)
circuit
c)
amperes
12.
Which formulas represents Ohm's law?
a)
V=IR
b)
R=IV
c)
I=RV
13.
A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow? 
a)
The switch needs to be opened.
b)
The switch needs to be closed.
c)
The cell needs an insulator.
d)
The wire needs to be connected to the bottom of the cell.
14.
Which statement best explains why the lamp does not glow? 
a)
Circuit 1 is an open circuit.
b)
 Circuit 1 is a closed circuit.
c)
 The negative terminal of Circuit 1 is connected to the cell.
d)
The positive terminal of Circuit 1 is connected to the cell.
15.

Which of these will repel each other?

a)

Negatively charged balloon and positively charged sphere.

b)

Negatively charged balloon and neutral sphere.

c)

Negatively charged balloon and negatively charged sphere.

d)

Negatively charged balloon and neutral wall.

16.

If the light bulb in the middle burned out, what would happen to the other two?

a)

The light bulb to the left would stay lit, but the one to the right would turn off.

b)

They would both stay lit.

c)

The light bulb to the right would stay lit, but the one to the left would turn off.

d)

They would both turn off.

17.

Out of the following, what has an even distribution of charge?

a)

Round Conductor

b)

Round Insulator

c)

Sharp Conductor

d)

Sharp Insulator

18.

Earthing helps what by transferring what?

a)

Charge by contact, Protons

b)

Neutralize, Protons

c)

Neutralize, Electrons

d)

Charge by contact, Electrons

19.

In a cloud, there is an updraft of x and a downdraft of y

a)

Water droplets, Water stream

b)

Water droplets, Water Icicles

c)

Water Icicles, Water droplets

d)

Water droplets, Hydrogen Gas

20.

The main function of an electroscope is to

a)

Deflect leaves

b)

Detect excess of electrons

c)

Detect Charge

d)

Charge objects

21.

Which one of the following is not Correct?

a)

P = V x I

b)

P = V2/R

c)

P = I2R

d)

P = E x t

22.

What unit is "d" in B = kI/d

a)

m

b)

cm

c)

km

d)

mm

23.

Which of the following statements are true?

a)

The Magnetic South is identical to the Geographical South

b)

The Magnetic North is identical to the Geographical North

c)

The Magnetic North is identical to the Equator

d)

The Magnetic South is identical to the Geographic North

24.

In a solenoid, the direction of the curled fingers represents the.....

a)

North Pole

b)

Direction of Current

c)

Direction of the Magnetic Field

d)

South Pole