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WorksheetsCurrent Electricity Section 22.1
Total questions: 15
Worksheet time: 34mins
Name
Class
Date
1.
What 1 kW is equivalent to __________ watts?
a)
100 W
b)
1,000 W
c)
10,000 W
d)
10 W
2.
Resistance is measured in what unit?
a)
ohms
b)
amps
c)
watts
d)
volts
3.
Power is measured in what unit?
a)
amps
b)
volts
c)
watts
d)
ohms
4.
Current is measured in what unit?
a)
ohms
b)
volts
c)
watts
d)
amps
5.
What does the Greek letter Ω, (i.e. Omega) represent?
a)
amps
b)
volts
c)
watts
d)
ohms
6.
if resistance of a circuit is tripled, and the voltage stays the same, the current will_
a)
double
b)
decrease by one third
c)
triple as will
d)
not change
7.
Potential difference is another term for
a)
current
b)
voltage
c)
energy
d)
watts
8.
What is the power consumed by a lamp whose current is 6 A and the voltage across it is 120 V?
a)
120 W
b)
720 W
c)
16 W
d)
10 W
9.
A complete, unbroken path through which charges can easily flow.
a)
Circuit
b)
Current
c)
Voltage
d)
ohm
10.
Material, length, diameter, and temperature all determine the ______ of a wire.
a)
Resistance
b)
Circuit
c)
Volts
d)
Amps
11.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
12.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
13.
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
14.
If the battery produced 12.6 Volts what would be the current flow for a 6 Ohm resistor?
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
15.
What is the power consumed by a lamp whose current is 6.0 A and the lamp has a resistance of 4.0 ohms?
a)
144 W
b)
120 W
c)
24 W
d)
1.5 W
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