Magnetic Field & Biot Savart Law Mock Tests
27 questions available
Magnetic Field & Biot Savart Law Mock Test 1
Questions:
27
नमूना प्रश्न
A transformer has 100 turns in the primary coil and 500 turns in the secondary coil. If the primary is connected to a 200 V AC source, the secondary voltage is:
The magnetic field at the centre of a circular coil of radius R with N turns carrying current I is given by:
The SI unit of magnetic flux is:
An inductor of inductance L carrying steady current I stores energy:
A coil of inductance 0.5 H and resistance 10 Ω is connected to a 12 V battery. The steady-state current in the circuit is:
In an ideal transformer, if the primary has 100 turns and the secondary has 200 turns, and the primary voltage is 220 V, the secondary voltage is:
A circular coil of 50 turns and radius 10 cm carries a current of 1 A. The magnetic field at the centre of the coil is: (μ₀ = 4π × 10⁻⁷ T·m/A)
A magnetic dipole with magnetic moment M is placed in a uniform magnetic field B. The work done in rotating it from θ₁ = 0° to θ₂ = 60° is:
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