the EMF induced in w with the minus si
Q: 20 - The variation of alternating current with time is given in the figure. Accordingly. what are…
A: this problem is based on alternate current
Q: If the root mean square (r.m.s.) value of an alternating voltage is 250 V, what is its. peak value?
A: To find-Peak value of alternating voltage=?Given-Erms=250 V
Q: Discuss the factors determining the induced emf in a closed loop of wire.
A:
Q: The current in an RL circuit drop from 1A to 0.5A in the first second following removal of the…
A: The decay of current in R L circuit is given by I = Io e-RLt
Q: Discuss the relationship between the generated emf of a generator and its parameters.
A:
Q: The instantaneous value of an 800-Hz sine wave current is 5A when t =0.5ms. What is the peak…
A:
Q: In a single-loop coil, the flux is given by Φ=3 sin t + 5 cos t. What is the magnitude of the…
A: Induced emf may be defined as the rate of change of flux with respect to time. If E be induced emf…
Q: iven the signal is 8(t) = 2 sin(2710000t) + 0 What is the DC avg value in Volts?
A:
Q: What is the current in the secondary line? If the primary 120V AC line with 50 turns around a core,…
A:
Q: WR b. The power (P) supplied to an electric circuit is given by P i? dt. If i = 63 * I sin(wt), I is…
A: P=ωR2π∫02πωi2dtGiven that,i=63×Isinωt
Q: Evaluate the current at RL circuit with L=2 Henry, R=4 Ohm, E= 9 V after 3 seconds.
A: Given, Resistance,R=4Ω Inductance, L=2 H Emf of battery,E=9 V Time, t=3 s
Q: List the merits and demerits of the converter which is used in power electronics circuits to reduce…
A: We know that Converters are used widely for their ability to reduce switching loss. Because of their…
Q: The cost of energy delivered to residences by electrical transmission varies from $0.070/kWh to…
A: The Energy delivered to an electric device: The energy delivered to an electric device is equal to…
Q: Plz do it
A: Given that,The voltage of the secondary winding, Vs= 110 VoltPrimary Voltage, VP= 5.0 kVWe know the…
Q: Aparn working near the secondary of a transformera shown in the figure below The primary voltage is…
A:
Q: Equation of an alternating e.m.f. is given by, e = 50 sin 314 t. Find peak value of e.m.f. and its…
A:
Q: An inductor with an inductance of 5.75 H and a resistance of 9.00 2 is connected to the terminals of…
A: Given The inductance of the inductor is L = 5.75 H. The value of resistance is R = 9 Ω. The voltage…
Q: A DC load with 500V consumes 10kWh energy within a 10 minutes time period, the average power is kW)…
A: The energy consumption of the load is 10 kWh. The power of a load is given by the equation,…
Q: A portable x-ray machine is designed to operate on normal 110V AC power. Its maximum capacity is…
A: Voltage, V1 = 110 VVoltage, V2 = 110 KV = 110000 VCurrent, I = 100 mATurn ratio, N2/N1 = ?
Q: If r.m.s. value of an alternating voltage is 230 V, what is its peak value ?
A: To Find: Peak value of alternating voltage Given that, Er.m.s.= 230 V
Q: An alternating voltage given byuiAI V = 70 sin 100 nt is connected across a pure resistor of 25 Q.…
A:
Q: The current in an inductor decreases linearly from 2 mA to zero in 4 ms. Calculate to find the…
A: The initial value of the current is 2 mA. The final value of the current is 0. The time taken to…
Q: Give at least 3 factors affecting the emf.
A: According to Faraday's law of electromagnetic induction, the induced emf is given by: e = -dϕdt=…
Q: An average voltage of 10 V is induced in a 250 turn solenoid due to a change in flux that occurs in…
A: Given Average voltage E = 10 V Number of turns N = 250 Time dt = 0.5 sec
Q: The peak value of an alternating = 350 volts. Calculate its r.m.s. Voltage is Eo value.
A: To find-RMS value of alternating voltage (Erms)=?Given-E0=350 V
Q: The induced emf of a dc machine running at 750 rpm is 220 V. The percentage increase in field flux…
A: Given that,Initially, Induced emf, E1=220 VoltSpeed of motor, N1=750 rpm.When, Emf, E2=250 VoltSpeed…
Q: Moist soil has conductivity of 1.5 mS/m and e,=2.5, calculate the displacement current density and…
A: Given : Conductivity, σ = 1.5 S/m Relative permittivity (dielectric constant), εr = 2.5…
Q: secondary, What must be the primary current so that a flux of 0.28 Wb is developed in the if the…
A: Flux developed in secondary Φ = 0.28 Wb Mutual inductance M = 400 mH = 0.400 H Current reduces by 40…
Q: If r.m.s. value of an alternating voltaze is 230 V, what is its peak value ?
A: GIVEN r.m.s value of voltage vrms = 230V peak value V0=?
Q: If the root mean square value (r.m.s.) of an alternating voltage in 240 V. What is its peak value?
A: To find-Peak value of alternating voltage=?Given-Erms=240 V
Q: An a.c. supply of 230 V is applied to a half-wave rectifier circuit throu gha transformer of turn…
A: (i)
Q: An oscillating LC circuit consisting of a 1.3 nF capacitor and a 4.5 mH coil has a maximum voltage…
A: The given LC circuit has the following parameters C=1.3 nF=1.3×10-9 FL=4.5 mH=4.5×10-3 H This…
Step by step
Solved in 4 steps with 4 images