Q.1
Which of the following oscilloscope is used in a digital storage oscilloscope?
  • a) dual trace
  • b) conventional
  • c) multi trace
  • d) modern
Q.2
Which of the following method of measurement does a bridge circuit uses?
  • a) relative
  • b) comparison
  • c) absolute
  • d) differential
Q.3
Which of the following is the most popular method for measuring low resistance?
  • a) ducter ohmmeter method
  • b) kelvin double bridge method
  • c) ammeter-voltmeter method
  • d) potentiometer method
Q.4
Which of the following method is used for the measurement of Medium Resistance?
  • a) Direct-Deflection method
  • b) Anderson Bridge
  • c) Kelvin’s double bridge method
  • d) Carey-Foster bridge method
Q.5
Which of the following is the most sensitive detector for single frequency value?
  • a) oscillator
  • b) headphone
  • c) tuned detector
  • d) vibration galvanometer
Q.6
Under which of the following conditions a bridge is balanced?
  • a) When no current flows
  • b) When the temperature of the circuit is high
  • c) When power dissipation is high
  • d) When no voltage drop across the circuit
Q.7
Unknown capacitance value is obtained by _________
  • a) using a vibration galvanometer
  • b) using capacitance of other ratio arms
  • c) comparison with standard
  • d) using a tuned detector
Q.8
Which of the following is a balance equation for computing the resistance?
  • a) R1 = R2 ⁄ R4
  • b) R1 = R3 ⁄ R4
  • c) R1 = R2 R3
  • d) R1 = R2 R3⁄R4
Q.9
Inductance control is obtained by _________
  • a) using R5
  • b) using R4
  • c) using R2
  • d) using Lx
Q.10
A Schering bridge can be used for the ______________
  • a) protecting the circuit from temperature rises
  • b) testing capacitors
  • c) measuring voltages
  • d) measuring currents
Q.11
What is the dependence of frequency on the balance equation?
  • a) varies by a factor of 2
  • b) depends on the detector used
  • c) independent
  • d) depends on the supply magnitude
Q.12
Which of the following is the guarding arm?
  • a) capacitance C
  • b) resistance R
  • c) parallel RC combination
  • d) series RC combination
Q.13
Which of the following can be measured using Maxwell’s Inductance Capacitance Bridge?
  • a) Capacitance
  • b) Frequency
  • c) Mutual Inductance
  • d) Inductance
Q.14
A multiplier is __________
  • a) non-capacitive
  • b) capacitive
  • c) non-inductive
  • d) resistive
Q.15
The windings of a C.T. are ________
  • a) tied together
  • b) shorted
  • c) wound over one another
  • d) grounded
Q.16
How is the voltage ratio dependent on the frequency?
  • a) they aid each other
  • b) depends on the setup of the circuit
  • c) they are independent of each other
  • d) they oppose each other
Q.17
Increasing secondary burden _____________
  • a) decreases Is
  • b) keeps Is constant
  • c) decreases Ip
  • d) increases Is
Q.18
Which of the following device is used to measure power in A.C. circuits?
  • a) ammeter
  • b) wattmeter
  • c) voltmeter
  • d) ohmmeter
Q.19
When the moving coil in a Dynamometer type wattmeter deflects ________
  • a) pointer doesn’t move
  • b) current flows
  • c) voltage is generated
  • d) pointer moves
Q.20
What is the effect of capacitance on wattmeter reading?
  • a) opposite to that of resistance
  • b) aiding the capacitance
  • c) aiding the inductance
  • d) opposite to that of inductance
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