^Advantages of ac
^Advantages of ac 1. economical than dc. 2. can be easily transformed from low voltage to high voltage or vice […]
Entries by kp-web-admin
^Transformer
^Transformer Transformer is an electric device based on of mutual induction used to transfer power from the primary to the […]
^Choke coil
^Choke coil A coil having large inductance & small resistance connecting it in series with a fluorescent tube in order […]
^Motor starter
^Motor starter It is a variable resistor (maximum when the motor is just switched on & its value decreases gradually […]
^dc motor
^dc motor Slip ring arrangement used in ac generator is replaced by split ring arrangement in dc motor. Current flowing […]
^LC R parallel circuit or rejecter circuit
^LC R parallel circuit or rejecter circuit Reciprocal of impedance Z is called admittance Y. Current delivered by the supply […]
^LCR series or acceptor circuit
^LCR series or acceptor circuit If the generator oscillates at a frequency equal to natural frequency of LC oscillator then […]
^Impedance triangle
^Impedance triangle Impedance triangle is also called ac triangle. It is obtained by the phase relationship between I & V […]
^Power factor
^Power factor Power factor is defined as, . Its value lies between 0 & 1. To decrease the power loss […]
^Wattless current
^Wattless current The average power consumed by a pure inductor & a pure capacitor is zero while that by a […]
