In a uniform magnetic field B a wire in the form of a semicircle of radius r rotates…
Physics · Class 12 · CBSE — Alternating Current
In a uniform magnetic field B a wire in the form of a semicircle of radius r rotates about the diameter of the circle with angular frequency ω. The axis of rotation is perpendicular to the field. If the total resistance of the circuit is R, the mean power generated per period of rotation is
Answer
(A)
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- A power transmission line feeds input power at 2400 V to a step down transformer with its primary windings…
- A series LCR circuit with R = 22 Ω, L = 1.5 H and C = 40 μF is connected to a variable frequency 220 V ac…
- In the series LCR circuit shown, the impedance is
- A capacitor of capacity C has reactance X. If capacitance and frequency are doubled, the reactance would be:
- A fully charged capacitor C with initial charge Q 0 is connected to a coil of self inductance L at t = 0. The…
- A 44 mH inductor is connected to 220 V, 50 Hz ac supply. The rms value of the current in the circuit is
- A small signal voltage V(t) = V 0 sin t is applied across an ideal capacitor C.
- A 220 V ac supply is connected between points A and B as shown in figure. What will be the potential…
More Alternating Current questions · Browse all practice questions