Electrical Circuits

181. The second strip of an electronic resistor color-code represents

  1. The multiplier
  2. The second digit of the value
  3. The temperature
  4. The tolerance

Correct answer: (B)
The second digit of the value

182. The superposition theorem is used when the circuit contains

  1. Reactive elements
  2. Active elements
  3. Number of voltage sources
  4. Single voltage source

Correct answer: (C)
Number of voltage sources

183. The symbol Q refers to

  1. Resonance quotient
  2. Quality factor
  3. Power quotient
  4. Qualification test

Correct answer: (B)
Quality factor

184. The temperature coefficient of resistance of electrolytes is

  1. Negative
  2. Positive
  3. Zero
  4. Infinite

Correct answer: (A)
Negative

185. The temperature-resistance coefficient of pure gold is

  1. 0.0034
  2. 0.0037
  3. 0.0038
  4. 0.0039

Correct answer: (A)
0.0034

186. The unit of elastance is

  1. Farad
  2. Daraf
  3. Siemen
  4. Henry

Correct answer: (B)
Daraf

187. The usual load of a dc circuit is a/an

  1. Resistor
  2. Capacitor
  3. Inductor
  4. Both inductor and capacitor

Correct answer: (A)
Resistor

188. The value of temperature coefficient (a) is dependent upon

  1. The nature of material and temperature
  2. The length of material
  3. The cross-sectional area of the material
  4. The volume of the material

Correct answer: (A)
The nature of material and temperature

189. The voltage cannot be exactly in phase with the current in a circuit that contains

  1. Only capacitance
  2. Only resistance
  3. Inductance and capacitance
  4. Inductance, capacitance and resistance

Correct answer: (A)
Only capacitance

190. The wavelength of an alternating waveform depends upon the of the variation.

  1. Period
  2. Number
  3. Frequency
  4. Amplitude

Correct answer: (C)
Frequency

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