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Ohm's Law

Total questions: 23

Worksheet time: 29mins

Name
Class
Date
1.
How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
a)
10 volts
b)
1 volt
c)
48 volts
d)
5 volts
2.
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
3.
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
4.
How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor
a)
12 volts
b)
24 volts
c)
1.3333
d)
48 volts
5.
What size resistor would produce a current flow of 5 Amps with a battery voltage of 12.6 volts
a)
60 Ohms
b)
2.52 Ohms
c)
1.71 ohms
d)
5.04 Ohms
6.
With the engine running the charging system produces 14.5 Volts what would the current flow be if a resistance of 6 Ohms was present
a)
2.41 Ohms
b)
2.52 Ohms
c)
2.1 Ohms
d)
0.3333 Ohms
7.
A Charging system producing 14.5 Volts with a current flow of 43.5 Amps, what is the circuit resistance
a)
58 Amps
b)
0.33 Amps
c)
13 Amps
d)
1 Amp
8.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
9.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
10.

How does resistance act in a series circuit?

a)

Adds

b)

Stays the same

c)

Divides

11.

How does Current act in a series circuit?

a)

Adds

b)

Stays the same

c)

Divides

12.

How does Voltage act in a series circuit?

a)

Adds

b)

Stays the same

c)

Divides

13.

How does Current act in a Parallel circuit?

a)

Adds

b)

Stays the same

c)

Divides

d)

Divides upon itself

14.

How does Voltage act in a Parallel circuit?

a)

Adds

b)

Stays the same

c)

Divides

d)

Divides upon itself

15.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
16.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
17.
What is the power of a 10V bulb with 5A through it?
a)
2W
b)
2V
c)
50W
d)
50A
18.
What is the power of a 20V bulb with 5A through it?
a)
100W
b)
100V
c)
6.3W
d)
6.3A
19.
What is the current through a 11V bulb with a power of 99W?
a)
9W
b)
9A
c)
60V
d)
60A
20.
What 'flows' in a wire?
a)
Protons
b)
Neutrons
c)
Atoms
d)
Electrons
21.
R1 is 3 ohms
R2 is 2 ohms
R3 is 10 ohms
If there are 3 amps running through the circuit. How many volts are the battery?
a)
5 Volts
b)
15 Volts
c)
45 Volts
22.
This circuit has a 60 volt battery. Each light bulb has 10 ohms of resistance. How many amps total are running through the circuit?
a)
6 amps
b)
3 amps
c)
12 amps
d)
600 amps
23.

A parallel circuit has 6 ohm, 10 ohm, 12 ohm and 15 ohm resistors and a voltage of 10V, what is the current?

answer given in nearest whole number

a)

1.0

b)

2.0

c)

3.0

d)

4.0