Derive an expression for equivalent resistances of a star connected network to transform into a Delta connected network.
Two coils are connected in parallel and a voltage of 200V is applied between the terminals. The total current taken by the circuit is 25 A and power dissipated in one of the coils is 1500 W. Calculate the resistance of each coil.
Obtain the relationship between line and phase values of current in a three phase, balanced, delta connected system.
Prove that the current in purely inductive circuit lags its voltage by 90° and average power consumption in pure inductor is zero.
Draw power triangle and define active power, reactive power and apparent power.
If the waveform of a voltage has a form factor of 1.15 and peak factor of 1.5 and if the maximum value of a voltage is 4500 volts. Calculate the average and r.m.s. values of the voltage.
Use the superposition theorem to calculate the current in branch AB of the circuit shown in below figure.
Give a comparison between squirrel cage induction motor and wound rotor induction motor.
Compute the energy charges for an air conditioner having consumption of 2 kW for the month of April. Daily usage of the air conditioner is 12 hours. Energy charges are Rs 9 per unit.
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Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Basic Electrical Engineering (BEE) (Winter 2023, B.E. · Common Engineering, Sem 1). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
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