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Electromagnetism Set 4
Results
#1.
The sensitivity of galvanometer is directly depends on:
Magnetic field
Magnetic field
Area of coil
Area of coil
Number of turns
Number of turns
All of above
All of above
#2.
To find the shunt resistance we used equation:
RS= IgRg/ I-Ig
RS= IgRg/ I-Ig
RS= IsRg/ I-Ig
RS= IsRg/ I-Ig
RS = IgRs/ R-Ig
RS = IgRs/ R-Ig
RS= IsRs/ I-Ig
RS= IsRs/ I-Ig
#3.
The dot product of magnetic field induction and vector area is called a) b) c) d)
Electric flux
Electric flux
Magnetic flux
Magnetic flux
Ampere law
Ampere law
None
None
#4.
Ammeter is used to measure:
Resistance
Resistance
Voltage
Voltage
Current
Current
Capacitance
Capacitance
#5.
When the number of turns in a solenoid is doubled without any change in the length of the solenoid its self-induction will be:
Four times
Four times
Doubled
Doubled
Halved
Halved
None
None
#6.
The wave form of sinusoidal voltage, its frequency and phase can be found by:
CRO
CRO
Diode
Diode
Transistor
Transistor
Radio
Radio
#7.
Voltmeter is used to measure:
Current
Current
Resistance
Resistance
Temperature
Temperature
Potential difference
Potential difference
#8.
An avo-meter is also called:
An ammeter
An ammeter
A voltmeter
A voltmeter
A multi meter
A multi meter
An ohm-meter
An ohm-meter
#9.
The resistance of a voltmeter should have a very high resistance:
It does not disturb the circuit
It does not disturb the circuit
It draws some current
It draws some current
It same the galvanometer coil
It same the galvanometer coil
None of these
None of these
#10.
A voltmeter is always connected in:
Parallel
Parallel
Series
Series
Perpendicular
Perpendicular
Straight line
Straight line
Finish
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