Voltage, Current and Resistance – 7

5555555555

7. A two-terminal variable resistor is known as a ________.

(a) potentiometer
(b) thermistor
(c) rheostat
(d) wiper

Answer
Answer : (c)
Explanation
Explanation :

Potentiometer: Adjustable resistor has 3 terminals.
Rheostat: Adjustable resistor has 2 terminals.
Thermistor: Change resistance when temperature changes.
Wiper : Sliding contact in a Potentiometer.

Subject Name : Electrical Engineering
Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT
Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant
Electrical Engineering Books

GATE 2023 Total InfoENGG DIPLOMAUGC NET Total Info
IES 2023 Total InfoPSUs 2022 Total InfoCSIR UGC NET Total Info
JAM 2023 Total InfoM TECH 2023 Total InfoRAILWAY 2022 Total Info

Related Posts

  • Voltage, Current and Resistance - 125555555555 12. A wiper is the sliding contact in a ________. (a) switch (b) photoconductive cell (c) thermistor (d) potentiometer
    Tags: voltage, current, resistance, wiper, thermistor, potentiometer, basic, electrical, engineering
  • Voltage, Current and Resistance - 245555555555 24. A multimeter measures ________. (a) current (b) voltage (c) resistance (d) current, voltage, and resistance
    Tags: voltage, current, resistance, basic, electrical, engineering
  • Work, Power and Energy - 335555555555 33. A 220 Ω resistor dissipates 3 W. The voltage is ________. (a) 73.3 V (b) 2.5 V (c) 25.7 V (d) 257 V
    Tags: resistor, voltage, basic, electrical, engineering
  • Voltage, Current and Resistance - 115555555555 11. A thermistor is a type of ________. (a) switch (b) resistor (c) battery (d) power supply
    Tags: voltage, current, resistance, thermistor, resistor, basic, electrical, engineering
  • Ohm's Laws - 225555555555 22. What is the voltage source for a circuit carrying 2 A of current through a 36 Ω resistor? (a) 1.8 V (b) 18 V (c) 7.2 V (d) 72 V
    Tags: voltage, current, resistor, basic, electrical, engineering

LEAVE A REPLY

Please enter your comment!
Please enter your name here