- (A) use a very long and fine suspension
- (B) use a coil of very large area
- (C) use a coil with very large number of turns
- (D) use a very strong magnetic field
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- (A) in series with the circuit
- (B) in parallel with circuit
- (C) in series with any of the parallel resistances in the circuit
- (D) in parallel with any of the series resistances in the circuit
- (A) a most sensitive galvanometer is used
- (B) a steady voltage cell is used
- (C) the balance point is close to the middle of the wire
- (D) a high resistance box is used in one of its gap
- (A) 0.1 A
- (B) 1:00 AM
- (C) current sensitivity
- (D) 1 m A
- (A) C/BAN
- (B) CAN/B
- (C) BAN/C
- (D) ABC/N
- (A) 18Ω
- (B) 30Ω
- (C) 24Ω
- (D) 12Ω
- (A) B = μNI
- (B) B = μN/I
- (C) B = μnI
- (D) Both B and C
- (A) Perpendicular to electric field
- (B) Perpendicular to both electric and magnetic field
- (C) Perpendicular to magnetic field
- (D) Parallel to electric and magnetic field
- (A) Magnetic field
- (B) Electric field
- (C) Electromagnetic force
- (D) Artificial gravitational field
- (A) 20A
- (B) 20.66A
- (C) 6.66A
- (D) 5.66A
