Download Doc Myers` Circuits n` Stuff Name: Date: 1. The total resistance of the

Doc Myers' Circuits n' Stu
Name:
1.
2.
Date:
The total resistance of the series circuit shown is
15 ohms. What is the resistance of R2 ?
A.
less than 5.0 ohms
B.
C.
15 ohms
D. 25 ohms
4.
5.0 ohms
In the circuit diagram shown, what is the current
through the 4.0-ohm resistor?
A.
1.0 ampere
B.
C.
3.0 amperes
D. 48 amperes
When three 20-ohm resistors are wired in parallel
and connected to a 10-volt source, the total
resistance of the circuit will be
A.
less than 20 ohms
B.
between 20 and 60 ohms
C.
60 ohms
D. more than 60 ohms
5.
Compared to the total resistance of two 5-ohm
resistors connected in series, the total resistance of
two 5-ohm resistors connected in parallel is
A.
3.
0.33 ampere
If a resistor in a parallel branch of a circuit is
increased in value, the voltage in that branch of
the circuit should
A.
decrease
C.
remain the same
B.
increase
page 1
less
B.
greater
C.
the same
6.
The diagram here shows a resistor of 5 ohms and
a resistor of 10 ohms connected in parallel in a
circuit. What is the total resistance of the circuit?
9.
Three resistors of 20 ohms, 30 ohms, and
60 ohms, respectively, are connected in series with
a battery. A current of 2.0 amperes will ow
through this circuit when the potential di erence
of the battery is
A.
A.
less than 5 ohms
B.
5 ohms
C.
15 ohms
10.
D. greater than 15 ohms
7.
If the total resistance of the circuit shown is
15 ohms, what is the value of resistor R ?
A.
6 ohms
B.
9 ohms
C.
12 ohms
10 V
B.
20 V
C.
110 V
D. 220 V
Base your answer(s) to the following question(s)
on the diagram given.
The voltage drop across R1 is
A.
0V
B.
8.00 V
C.
12.0 V
D. 24.0 V
D. 18 ohms
11.
8.
As more resistors are added in parallel, the total
resistance of a circuit
A.
decreases
C.
remains the same
B.
increases
page 2
What is the total resistance of the circuit?
A.
0.500
B.
2.00
C.
3.00
D. 4.00
Doc Myers' Circuits n' Stu
12.
13.
14.
What power is supplied by the source?
A.
24.0 W
B.
C.
3.00 W
D. 192 W
15.
90.0 W
A.
What is the current in resistor R2 ?
A.
8.00 A
B.
C.
16.0 A
D. 4.00 A
A 5-ohm and a 10-ohm resistor are connected
in series. The current in the 5-ohm resistor is
2 amperes. The current in the 10-ohm resistor is
16.
2.00 A
1A
B.
2A
C.
0.5 A
D. 8 A
The diagram represents a series circuit containing
three resistors. What is the current through resistor
R2 ?
A.
1.0 A
B.
0.33 A
C.
3.0 A
D. 9.0 A
Which circuit segment has an equivalent resistance
of 6 ohms?
A.
17.
B.
In the circuit diagram, what is the potential
di erence across the 3.0-ohm resistor?
C.
D.
A.
page 3
1.0 V
B.
2.0 V
C.
3.0 V
D. 1.5 V
Doc Myers' Circuits n' Stu
18.
Which circuit segment shown has the same total
resistance as the circuit segment shown in the
diagram?
20.
A
B
C
D
Which two of the resistor arrangements shown
have equivalent resistance?
A.
A.
A and B
B.
B and C
C.
C and D
D. D and A
B.
C.
D.
21.
19.
Circuit A and circuit B are shown. Compared to
the total resistance of circuit A, the total resistance
of circuit B is
The diagram shows a circuit with two resistors.
Compared to the potential drop across the 8-ohm
resistor, the potential drop across the 4-ohm
resistor is
A.
the same
B.
twice as great
C.
one-half as great
D. four times as great
A.
less
B.
greater
C.
the same
page 4
Doc Myers' Circuits n' Stu
22.
The diagram shows a circuit with three resistors.
24.
What is the resistance of resistor R3 ?
Base your answer(s) to the following question(s)
on the diagram below, which represents an electric
circuit consisting of four resistors and a 12-volt
battery.
What is the current measured by ammeter A?
A.
6.0
B.
2.0
C.
12
D. 4.0
25.
23.
A.
0.50 A
B.
2.0 A
C.
72 A
D. 4.0 A
What is the equivalent resistance of this circuit?
A.
72
B.
18
C.
3.0
D. 0.33
Three ammeters are placed in a circuit as shown.
If A1 reads 5.0 amperes and A2 reads 2.0 amperes,
what does A3 read?
26.
A.
1.0 A
B.
2.0 A
C.
3.0 A
In the circuit diagram below, two 4.0-ohm resistors
are connected to a 16-volt battery as shown.
D. 7.0 A
The rate at which electrical energy is expended in
this circuit is
A.
page 5
8.0 W
B.
16 W
C.
32 W
D. 64 W
Doc Myers' Circuits n' Stu
27.
28.
Which circuit has the smallest equivalent
resistance?
The circuit diagram below represents four resistors
connected to a 12-volt source.
A.
What is the total current in the circuit?
B.
A.
0.50 A
B.
2.0 A
C.
8.6 A
D. 24 A
C.
D.
page 6
Doc Myers' Circuits n' Stu
Problem-Attic format version 4.4.291
c 2011–2016 EducAide Software
_
Licensed for use by [email protected]
Terms of Use at www.problem-attic.com
Doc Myers' Circuits n' Stu
03/30/2017
1.
Answer:
B
21.
Answer:
C
2.
Answer:
A
22.
Answer:
B
3.
Answer:
C
23.
Answer:
C
4.
Answer:
C
24.
Answer:
B
5.
Answer:
A
25.
Answer:
C
6.
Answer:
A
26.
Answer:
C
7.
Answer:
B
27.
Answer:
C
8.
Answer:
A
28.
Answer:
A
9.
Answer:
D
10.
Answer:
B
11.
Answer:
C
12.
Answer:
D
13.
Answer:
A
14.
Answer:
C
15.
Answer:
B
16.
Answer:
B
17.
Answer:
C
18.
Answer:
B
19.
Answer:
B
20.
Answer:
B