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WorksheetsCircuits Practice
Total questions: 20
Worksheet time: 33mins
Name
Class
Date
1.
What is the Current in the circuit ?
a)
.02 I
b)
.02 A
c)
.2 I
d)
.2 A
2.
In a series circuit, voltage _______________ across the resistors.
a)
Stays the same
b)
Divides equally
c)
Divides
d)
None of the others
3.
In a parallel circuit, the equation to find the total resistance (Rt) is ....
a)
Rt=1⁄R1+R2+R3
b)
Rt=1⁄(1/R1+1/R2+1/R3)
c)
Rt=R1+R2+R3
d)
None of the others
4.
What is the voltage across R3 in the circuit?
a)
9 V
b)
1000V
c)
.692 V
d)
None of the others
5.
What is the unit for voltage?
a)
volts
b)
amps
c)
ohms
d)
watts
6.
What is the rule for voltage in a parallel circuit?
a)
stays the same
b)
adds up
c)
inverse of the sum of the reciprocals
7.
What is the total resistance of a 5 ohm, 10 ohm, and 15 ohm resistor connected in SERIES?
a)
10 ohms
b)
0.5 ohms
c)
30 ohms
d)
2.7 ohms
8.
Which statement about series circuits is true?
a)
each resistance is added up to give the total
b)
the current through each resistor adds up to the total
c)
If one light burns out, the others won't
d)
the voltages across each resistor are equal
9.
The current going through the 90 ohm resistor is
a)
10 amps
b)
0.1 amps
c)
0.2 amps
d)
none of the others
10.
The voltage drop across the 180 ohm resistor is
a)
9 V
b)
6 V
c)
2 V
d)
12 V
11.
Total resistance in a series circuit
a)
Rt = R1 + R2 + R3 ...
b)
1/Rt = 1/R1 + 1/R2 ...
c)
Rt = R1 X R2 / R1 + R2 ...
d)
Rt = RN / RV
12.
What kind of circuit is this?
a)
series
b)
parallel
13.
What type of circuit is show in the image?
a)
Series Circuit
b)
Parallel Circuit
14.
What is a Parallel circuit?
a)
Has only one path
b)
Has more than one path
c)
Allows energy to travel through easily
d)
Has only one light bulb
15.
What is this symbol for?
a)
light bulb
b)
cell
c)
battery
d)
resistor
16.
This is a symbol for_________?
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
17.
If the voltage across the battery was 10V in this diagram. What would the voltage across each bulb be?
a)
10V
b)
5V
c)
20V
d)
0V
18.
Find total resistance
total current
and the voltage through resistor 3
total current
and the voltage through resistor 3
a)
60 Ohms, 0.4 A, 8 V
b)
60 Ohms, 2.5 A, 8 V
c)
90 Ohms, 2.5 A, 24 V
d)
60 Ohms, 0.4 A, 24 V
19.
Find the total resistance, total current and total voltage for the following circuit
a)
VT = 9 V
I T = 3
RT = 14
I T = 3
RT = 14
b)
VT = 9
I T = 0.64
RT = 14
I T = 0.64
RT = 14
c)
VT = 9
I T = 6.3
RT = 1.4
I T = 6.3
RT = 1.4
d)
VT = 9
I T = 0.64
RT = 1.4
I T = 0.64
RT = 1.4
20.
In a parallel circuit which of the following is different for each resistor?
a)
Voltage
b)
Current
c)
Ohms Law
d)
Charge
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