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WorksheetsBasic Indicating Instrument
Total questions: 11
Worksheet time: 6mins
What is the principle of Moving Coil Galvanometer.
Current carrying coil in an electric field experiences a force
Current carrying coil in magnetic field experiences no force
Current carrying conductor in magnetic field experiences a force
Current carrying conductor in an electric field produces no force
Name PMMC Part labelled as B.
Moving Coil
Magnet
Hairspring
Iron Core
Name PMMC Part labelled as D.
Moving Coil
Magnet
Hairspring
Iron Core
What should be the core of an electromagnet?
soft iron
hard iron
rusted iron
none of above
Which of the following is not a component of the galvanometer?
pointer
magnetic bar
slate
spiral spring
What does a voltmeter measure?
Current
Voltage
Resistance
What does an ammeter measure?
Current
Voltage
Resistance
What happen to the Galvanometer?
Deflected to the right
Deflected to the left
Nothing happen
In moving coil galvanometer, the U-shaped magnet are made
to interact with electromagnetic field of moving coil
to create electromagnetic field when current flows
to weaken the field
to move/deflect the pointer
In a moving coil galvanometer, the equation of controlling torque is
BINA
Kθ
NIB
Ma
Which is NOT types of galvanometer sensitivity?
Current Sensitivity
Voltage Sensitivity
impedance Sensitivity
Ballistic Sensitivity
