# Q1: Power is defined as:

A the rate at which work is done
B work
C the conversion of energy
D joules

A +10.48 V
B +0.94 V
C +2.6 V
D +3 V

# Q3: If a voltage is connected between contacts 2 and 3 in the given circuit, which resistors will carry current?

A All twelve resistors will carry current.
B
Only R6 and R11 will carry current.
C
Only R2, R4, R6, and R11 will carry current.
D
Only R3, R6, R9, and R12 will carry current.

A 4 V
B 8 V
C 12 V
D 20 V

A 0 V, 4 V
B 0 V, 8 V
C 0 V, 12 V
D 0 V, 16 V

# Q6: If the resistance total in a series circuit doubles, current will:

A be the same
B be doubled
C reduce source voltage
D be halved

# Q7: How will an open resistor affect a series circuit?

A Current will flow around the open resistor.
B The open resistor will drop 0 V.
C Total resistance will decrease.
D No current will flow in the circuit.

# Q8: In a series circuit, the voltage measured across a short will be:

A source voltage
B infinite voltage
C zero volts
D the normal voltage drop

A +1.48 V
B +0.94 V
C +11.6 V
D +3 V

# Q10: One of the most common applications of a potentiometer is as an adjustable voltage divider, also known as

A voltage control
B current control
C volume control
D divider control

A 78 V
B 39 V
C 13 V
D 0 V

A R1 is open.
B R1 is shorted.
C R2 is open.
D R2 is shorted.

A 170 mW
B 1.7 W
C 17 W
D 170 W

# Q14: A series circuit current:

A remains the same through each component
B is the same as the individual resistances
C is subtracted by each component
D varies through each component

A 16.36 V
B 32.72 V
C 10.90 V
D 15.00 V

# Q16: A series circuit schematic is recognized because all the components are connected:

A diagonally across the page
B in a uniform vertical manner
C end to end in a "string"
D horizontally across the page

# Q17: Resistance in a series circuit will:

A control the voltage
B double the current
C halve the power
D oppose current

# Q18: If series current doubles, then:

A resistance is halved
B voltage is doubled
C voltage is reduced
D resistance is doubled

A V x R
B I2 x R
C V x I
D I x R

# Q20: What determines the total resistance in a series circuit?

A the largest resistor
B the sum of the resistors
C the largest resistor minus the smaller
D the smallest resistor

A
20 A
B
60 A
C
80 A
D
140 A

A 11 V
B 16 V
C 21 V
D 80 V

A
R1 shorts
B
R1 shorts
C
R3 shorts
D
R2 opens

# Q24: A string of resistors in a series circuit will:

A divide the source voltage in proportion to their values
B reduce the power to zero
C cause the current to divide
D increase the source voltage in proportion to the values

A 30 V
B 270 V
C 320 V
D 900 V

# Q26: Given a series circuit containing resistors of different values, which statement is not true?

A The current through each resistor is the same.
B The sum of the voltage drops across each resistive element will be equal to source voltage.
C The total resistance is the sum of the value of the resistors.
D The voltage drop across each resistor is the same.

A +19.2 V
B +8.8 V
C +28 V
D –19.2 V

# Q28: Kirchhoff’s voltage law states that:

A the sum of the voltage drops in a series circuit is equal to the total applied voltage
B the algebraic sum of the resistances is equal to the sum of the voltages
C the algebraic sum of the individual currents around a closed loop is zero
D the voltages developed across each element in a series circuit are identical

A 0 V
B 8 V
C 12 V
D 20 V

# Q30: What is the total resistance?

A
0 k; there is no current
B
2 k; the average
C
3 k; the largest
D
6 k; the sum

# Q31: Which is a true statement about the circuit in the given circuit?

A
The batteries are series-aiding and the total source voltage equals 21 V.
B
The batteries are series-opposing and the total source voltage equals 3 V.
C
The batteries are series-aiding and the total source voltage equals 3 V.
D    <div class="bix-td-option" id="tdOptionNo_D_130"><span id="lnkOptionLink_D_130" class="mdi mdi-alpha-d-circle-outline"></span></div>
<div class="bix-td-option-val d-flex flex-row align-items-center" id="tdOptionDt_D_130">
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A 1A, 1A, 1A
B 1A, 2A, 3A
C 3A, 3A, 3A
D 3A, 2A, 1A

A 210 mA
B 5.2 mA
C 4.7 mA
D .007 A

A 170 mW
B 1.7 W
C 17 W
D 170 W

# Q35: A short circuit has:

A too much resistance
B no conductance
C no resistance
D low current

# Q36: When a battery is connected to a series circuit, it delivers current based only upon:

A primary/secondary difference
B total resistance
C the polarity connections
D average resistance

A 128 mW
B 269 mW
C 512 mW
D 1024 mW

# Q38: If two resistors have the same voltage drop in a series circuit, it means:

A they are connected in parallel
B they are of unequal value
C the voltage has doubled
D they are of equal value

# Q39: If R2 opens in the given circuit, what is the voltage at point B?

A div class="bix-td-option" id="tdOptionNo_A_125">
+19.2 V
B
+8.8 V
C
+28 V
D
–19.2 V

A
38.4 k
B
3.84 k
C
384 k
D
3.84 M

# Q41: While putting three 1.5 V batteries into a flashlight, you put one in backwards. The flashlight will be ______________.

A brighter than normal
B dimmer than normal
C off
D the same

# Q42: The voltage drop across a series resistor is proportional to what other value?

A total resistance
B its own resistance
C wattage rating
D the amount of time the circuit is on

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