B: 1.1 A
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Charge carriers, each of charge q, move along a wire of fixed length. The number density of the charge carriers in th…
The electric current in a wire may be calculated using the equation I = Anvq. Which statement is not correct?
A wire of cross-sectional area 5.0 × 10⁻⁶ m² is made of a metal of resistivity 50 × 10⁻⁸ Ω m. The potential differenc…
Light of a single wavelength is incident normally on a diffraction grating. The resulting diffraction pattern is disp…
Each of Kirchhoff's two laws presumes that some quantity is conserved. Which row states Kirchhoff's first law and nam…
When α-particles are directed at gold leaf: 1 almost all α-particles pass through without deflection 2 a few α-partic…