A. shunt value decreases
B. shunt value increases
C. shunt value remains the same
D. none of the above
A. galvanometer
B. voltmeter
C. ammeter
D. AC transformer and DC generator
A. zero
B. equal to the restoring couple
C. greater than the restoring couple
D. smaller than the restoring couple
AA. voltmeter
B. galvanometer
C. cathode ray oscilloscope (CRO)
D. ammeter
A. E = BeV
B. B = eE/V
C. E = BV
D. E = BeV/2
A. M
B. L
C. H
D. B
A. NA-1m-1
B. NAm-1
C. NmA-1
D. NmA-2
A. 1T = 103 G
B. 1T = 10-4 G
C. 1T = 10-2 G
D. 1T = 104 G
A. air
B. steel
C. Cu-Ni alloy
D. soft iron
A. always exerts a force on a charged particle
B. never exerts a force on a charged particles
C. exerts a force if the charged particle is moving in the direction of the magnetic field lines
D. exerts a force if the charged particle is moving perpendicular to the magnetic field lines