An AC voltage source is connected to a transformer on the primary side. The maxi

Question

An AC voltage source is connected to a transformer on the primary side. The maximum EMF on the secondary side is 10 volts. The number of primary turns is 171 and the number of turns on the secondary side is 42. What is the maximum primary EMF in volts? An AC voltage source is connected to a transformer on the primary side. The maximum EMF on the primary side is 21 volts and the resistance on the primary side is 10 Ohms. What is the maximum power of the secondary side in Watts? An RLC circuit of an AC voltage source with a maximum voltage of 22.0 volts connected in series to a 5.1 ohm resistor, a 5.0 micro-farad capacitor, and a 5.0 milli-hernia inductor. What is the maximum current at the resonant frequency In amps?

Explanation / Answer

Q-5 )

Es = maximum voltage at secondary = 10 Volts

Ep = maximum voltage at primary

Ns = number of turns at secondary = 42

Np = number of turns at primary = 171

using the formula

Ep/Es = Np/Ns

Ep/10 = 171/42

Ep = 40.71 volts

Q-6

Power input at primary = V2/R = 212/10 = 44.1 Watt

Power output at secondry = power input at primary = 44.1 watt

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