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what is the difference between EMF and MMF ?
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Which type of A.C motor is used in the fan (ceiling fan, exhaust fan, padestal fan, bracket fan etc) which are find in the houses ? Its Single Phase induction motor which mostly squirrel cage rotor and are capacitor start capacitor run. … Read More
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What are the differences between an alternator and a generator? Alternator and generator, both devices have the same basic functionality. They both convert mechanical energy into electrical energy and they both have the same principal of electromagnetic induction. The main and only diff… Read More
A lamp draws 0.5 A at 230 V. If the voltage is reduced to 115 V, will the current be halved ? A lamp draws 0.5 A at 230 V. If the voltage is reduced to 115 V, will the current be halved ? No.because ohms law is true for constantant temperature.If the voltage is reduced from 230 to 115 volt,results in de… Read More
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