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Resistor Quiz | Resistor Objective Type Questions and Answers

Free download in PDF Resistor Objective Type Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like IIT-JEE, AIIMS etc. These short solved questions or quizzes are provided by Gkseries.
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(21) If I3 = 100 µA, R3 = 50 MΩ, then V3 = __:
[A] 5000 V
[B] 500 V
[C] 5 V
[D] 0.5 V
Answer: 5000 V
(22) If I2 = 100 µA, R2 = 50 kΩ, then V2 = __:
[A] 5000 V
[B] 500 V
[C] 5 V
[D] 0.5 V
Answer: 5 V
(23) If I1 = 50 mA, R1 = 50 kΩ, then V1 = __:
[A] 1 kV
[B] 2.5 kV
[C] 5 kV
[D] 10 kV
Answer: 2.5 kV
(24) An unknown resistor has 5 mA current flowing through it when 10 volts are applied to it. For the same resistor, the application of 20 volts will result in the current flow of:
[A] 2 mA
[B] 5 mA
[C] 10 mA
[D] 50 mA
Answer: 10 mA
(25) An electrical bulb draws 5 A current when connected to a 100-V wall outlet, the resistance of bulb is:
[A] 5 Ω
[B] 20 Ω
[C] 100 Ω
[D] 500 Ω
Answer: 20 Ω
(26) The potential difference across a 5 kΩ is 12 V. Find the current flowing through the resistor:
[A] 60 mA
[B] 2.4 mA
[C] 1.77 mA
[D] 0.998 mA
Answer: 2.4 mA
(27) The water heating rod draws 10 A current when connected to certain power source. The resistance of rod is 12 Ω. The source voltage is:
[A] 1.2 V
[B] 120 V
[C] 1200 V
[D] None of these
Answer: 120 V
(28) An electric kettle with 50-Ω heat element is powered by a 230-V wall outlet. The current flowing through kettle is:
[A] 0.217 A
[B] 4.6 A
[C] 10.86 A
[D] 11500 A
Answer: 4.6 A
(29) Components which obey Ohm’s law are known as:
[A] Resistors
[B] Ohmic components
[C] Non-ohmic components
[D] None of these
Answer: Ohmic components
(30) Ohmic components have a __________ V-I curve:
[A] Straight line VI curve
[B] Parabolic VI curve
[C] Non-linear VI curve
[D] Sinusoidal VI curve
Answer: Straight line VI curve
31 Unit of resistance is:
[A] Volt
[B] Watt
[C] Ohms
[D] Ampere
Answer: Ohms
32 Unit of power is:
[A] Volt
[B] Watt
[C] Coulomb
[D] Ampere
Answer: Watt
33 Unit of current is:
[A] Volt
[B] Watt
[C] Coulomb
[D] Ampere
Answer: Ampere
34 Unit of voltage is:
[A] Volt
[B] Watt
[C] Coulomb
[D] Ampere
Answer: Volt
35 If V = 50 V and I = 5 A, then R = ___:
[A] 50 Ω
[B] 5 Ω
[C] 10 Ω
[D] 2 Ω
Answer: 10 Ω
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