Physics MCQs

Correct answer A. When the balance point is close to the middle of the wire

Correct answer A. Current sensitivity

Correct answer C. C/BAN

Correct answer C. 12Ω

Correct answer C. B = μ₀nI

Correct answer A. 4π × 10⁻⁷ Wb A⁻¹ m⁻¹

Correct answer C. A helix

Correct answer D. Magnetic flux = flux density × area

Correct answer D. τ = NIAB

Correct answer A. A charge in motion

Correct answer D. r = mv/qB

Correct answer B. F = 0

Correct answer B. Come to rest in the N-S direction

Correct answer D. It is directly proportional to m

Correct answer C. When the potential difference across the galvanometer branch is zero

Correct answer B. To detect current in a circuit

Correct answer D. BINA

Correct answer B. 2.0 mA

Correct answer C. Shunt value decreases

Correct answer D. AC transformer and DC generator