Multiple Choice Question (MCQ) of Measurements page-7

61. The bring by which inductance is measured in terms of capacitance and resistance is called

a) Maxwell-Wein bridge
b) Wein bridge
c) Anderson bridge
d) Schering bridge

Ans: (c)

62. The dielectric loss of capacitance can be measured by

a) Owen bridge
b) Schering bridge
c) Wein bridge
d) Maxwell bridge

Ans: (b)

63. A television receiver used 240 watts from 60 volts power source

a) 2 ma
b) 2 amps
c) 240 amps
d) 60 amps
e) 4 amps

Ans: (e)

64. The difference between power and energy is that

a) Power is the time rate doing work while the energy does not involve time
b) Energy is the time rate of doing work while the power does not involve time
c) Energy is V × I without taking time into account
d) Power can be measured in watt-hours where energy cannot

Ans: (a)

65. If one ampere current is allowed to accumulate charge for 5seconds, the resultant change equals

a) 2 coulombs
b) 10 coulombs
c) 5 amps
d) 10 amps
e) 5 coulombs

Ans: (e)

66. A 50 micro-ampere meter movement has 500 ohms resistance, what shunt resistance is required to extend the range to 250 micro-ampere?

a) 111.1 ohms
b) 125 ohms
c) 250 ohms
d) 50 ohms

Ans: (b)

67. To connect ammeter in series

a) Open the circuit at one point and use the meter to the circuit
b) Open the circuit at the positive and the negative terminals of the voltage source
c) Short the resistance to be checked and connect the meter across it
d) Open the circuit at one end connect the meter to one end

Ans: (a)

68. A voltmeter using 50 micro-ampere meter movement has a sensitivity of

a) 500 ohms per volt
b) 5000 ohms per volt
c) 2000 ohms per volt
d) 20,000 ohms per volt

Ans: (d)

69. To connect the voltmeter in parallel to read IR drop

a) Open the circuit at one and use the meter to complete the circuit
b) Open the circuit at two points and connect the meter across both points
c) Let remain the circuit as it is and connect the mater across the resistance
d) Allow the circuit to remain closed but disconnect the voltage source

Ans: (c)

70. The shunt used in the milliameter

a) Will extend the range and reduces the meter resistance
b) Will extend the range and increases the resistance
c) Will decrease the range and meter resistance
d) Will decrease the range but increases the inter resistance

Ans: (a)

<< Previous Next >>

Recent Post

Multiple Choice Question (MCQ) of Electronics page-17:
241. Which of the following statement is true? a) The saturation voltage V_CF of silicon transistor is more than germanium transistor.
b) The saturation voltage V_CE for germanium transistor is more than silicon transistor.
c) The saturation voltage V_CE for silicon transistor is same as that for germanium.
d) The saturation voltage V_CE for silicon transistor is lower than germanium transistor.

Multiple Choice Question (MCQ) of Electronics page-16:
226. Which of the following statement is correct? a) Inner electrons are always present in the semiconductor.
b) Bound electrons are always present in the semiconductor.
c) Free electrons are always present in the semiconductor.
d) Inner and bound electrons are always present in the semiconductor.

Multiple Choice Question (MCQ) of Electronics page-15:
211. The materials whose electrical conductivity is usually less than 1 × 10⁶ mho/m are a) Semiconductors
b) Conductors
c) Insulators
d) Alloys

Multiple Choice Question (MCQ) of Electronics page-14:
196. In which of the following device the base resistors are not added in the package but added externally? a) UJT
b) CUJT
c) PUT
d) None of the above

Multiple Choice Question (MCQ) of Electronics page-13:
181. The conduction in JEFT is always by the a) Majority carriers
b) Minority carriers
c) Holes
d) Electrons
e) Holes and electrons simultaneously

Related Topics

Index

Multiple Choice Question (MCQ) of Measurements page-7

Related topics :

Recent Post