Electrical Measurements Sensitivity Wheatstone Bridge Online Exam Quiz
Electrical Measurements Sensitivity Wheatstone Bridge GK Quiz. Question and Answers related to Electrical Measurements Sensitivity Wheatstone Bridge. MCQ (Multiple Choice Questions with answers about Electrical Measurements Sensitivity Wheatstone Bridge
When the bridge is balanced, what is the current flowing through the galvanometer?
Options
A : 0
B : depends on the ratio arms R1 and R2
C : varies by a factor of 2
D : depends on the type of null detector used
Sensitivity is defined as _________
Options
A : amount of voltage per unit current
B : amount of power per unit voltage
C : amount of resistance per unit voltage
D : amount of deflection per unit current
Sensitivity is expressed in _________
Options
A : cm/A
B : m/mA
C : mm/µA
D : inch/nA
What is the relation between the sensitivity and deflection for a galvanometer?
Options
A : directly proportional
B : inversely proportional
C : independant of each other
D : depends on the type of galvanometer used
Maximum sensitivity occurs when?
Options
A : R3 ? R4 = 1
B : R2 ? R4 = 1
C : R1 ? R2 = 1
D : R3 ? R2 = 1
Amount of deflection of the galvanometer depends on _________
Options
A : resistance of the ratio arms
B : sensitivity
C : current flowing through the bridge
D : emf across the circuit
Bridge sensitivity is defined as _________
Options
A : S_B=frac{ heta}{R}
B : S_B=frac{ heta}{Delta R}
C : S_B=frac{1}{frac{Delta R}{R}}
D : S_B=frac{ heta}{frac{Delta R}{R}}
The voltage sensitivity of a galvanometer is given by _________
Options
A : Sv = e??
B : Sv = ??e
C : Sv = 1?e
D : Sv = 1??
Unit of voltage sensitivity is _________
Options
A : volts per degrees
B : amps per ohms
C : degrees per volts
D : watts per amps
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