SSM An ac generator has emf ℰ = ℰ m sin( ω d t = π /4), where ℰ m = 30.0 V and ω d = 350 rad/s. The current produced in a connected circuit is i(t) = I sin ( ω d t = 3 π/ 4 ), where I = 620 mA. At what time after t = 0 does (a) the generator emf first reach a maximum and (b) the current first reach a maximum? (c) The circuit contains a single element other than the generator. Is it a capacitor, an inductor, or a resistor? Justify your answer. (d) What is the value of the capacitance, inductance, or resistance, as the case may be?
SSM An ac generator has emf ℰ = ℰ m sin( ω d t = π /4), where ℰ m = 30.0 V and ω d = 350 rad/s. The current produced in a connected circuit is i(t) = I sin ( ω d t = 3 π/ 4 ), where I = 620 mA. At what time after t = 0 does (a) the generator emf first reach a maximum and (b) the current first reach a maximum? (c) The circuit contains a single element other than the generator. Is it a capacitor, an inductor, or a resistor? Justify your answer. (d) What is the value of the capacitance, inductance, or resistance, as the case may be?
SSM An ac generator has emf ℰ = ℰm sin(ωdt = π/4), where ℰm = 30.0 V and ωd= 350 rad/s. The current produced in a connected circuit is i(t) = I sin (ωdt = 3
π/
4), where I = 620 mA. At what time after t = 0 does (a) the generator emf first reach a maximum and (b) the current first reach a maximum? (c) The circuit contains a single element other than the generator. Is it a capacitor, an inductor, or a resistor? Justify your answer. (d) What is the value of the capacitance, inductance, or resistance, as the case may be?
A 1.50 mF capacitor is connected to an ac generator with m = 30.0 V. What is the amplitude of the resulting alternating current if the frequency of the emf is (a) 1.00 kHz and (b) 8.00 kHz?
An inductor is connected to an AC source. If the inductance of the inductor is 0.448 H and the output voltage of the source is given by Δv = (120 V)sin[(27.0π s−1)t], determine the following.
(d) the rms current in the inductor (in A)
(e) the maximum current in the inductor (in A)
An emf is given by : e = (170 sin 314 t) V, find (a) rms value (b) maximum value (c) Frequency (d) radian through which vector has gone when t=0.001 s
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