Q1 To convert galvanometer into voltmeter which one is connected with the coil
- a). High resistance wire in series
- b). Low resistance wire in parallel
- c). High resistance wire in parallel
- d). Low resistance wire in series
- a). High resistance wire in series
Q2 The sensitivity of a moving coil galvanometer can be increased by decreasing
- a). Number of turns in coil
- b). length of coil
- c). Magnetic field
- d). couple per unit twist of the suspension
- d). couple per unit twist of the suspension
Q3 Moving coil galvanometer is used for the measurement of
- a). Very small electric current
- b). Large electric current
- c). Speed
- d). Angle
- a). Very small electric current
Q4 The galvanometer is said to be sensitive if
- (a) it gives large deflection even a small current is passed through it
- (b) it gives small deflection when large current is passed through it
- (c) it gives large deflection even for zero current is passed through it
- (d) None of these
- (a) it gives large deflection even a small current is passed through it
Q5 The sensitivity of moving coil galvanometer can be increased by decreasing magnetic field.
- (a) True
- (b) False
- (b) False
Q6 A cyclotron can be used to produced high energy
- (a) neutrons
- (b) deuterons
- (c) α particles
- (d) β particles
- (c) α particles
Q7 The angular frequency of a cyclotron is independent of
- (a) speed
- (b)mass
- (c) magnetic field
- (d) charge
- (a) speed
Q8 The range of a voltmeter can be
- (a) Increased
- (b) decreased
- (c) None of these
- (d) Both (a) and (b)
- (d) Both (a) and (b)
Q9. A stationary charge experience no magnetic Lorentz force. (T/F)
- a) True
- d) False
- (a) True
Q10 To convert galvanometer into ammeter which one is connected with the coil
- a) High resistance wire in series
- b) Low resistance wire in parallel
- c) High resistance wire in parallel
- d) Low resistance wire in series
- b) Low resistance wire in parallel
