15 verified questions · ~17 minutes · answer key checked against the official NTA final key across multiple sources. Text-only questions (diagram-based excluded until they can be shown properly).
If ε₀ denotes the permittivity of free space and Φ_E is the flux of the electric field through the area bounded by the closed surface, then the dimensions of (ε₀ · dΦ_E/dt) are that of:
The percentage increase in magnetic field (B) when the space within a current carrying solenoid is filled with magnesium (magnetic susceptibility χ_Mg = 1.2 × 10⁻⁵) is:
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