Polyphase generators generate simultaneous multiple sinusoidal voltages that are separated by Constant currents Constant frequencies Constant phase angles Constant voltages Correct answer: 3. Constant phase angles
The knee voltage of a crystal diode is roughly equal to Applied Voltage Barrier Potential Breakdown Voltage Forward Voltage Correct answer: 2. Barrier Potential
The correct statement for a ∆-connected source driving a ∆-connected load Load voltage and line voltage are one-third the source voltage for a given phase Load voltage and line voltage are two-thirds the source voltage for a given phase Load voltage and line voltage cancel for a given phase Load voltage, line voltage, and source … Read more
The Zener diode has One Pn Junction Three Pn Junctions Two Pn Junctions None of these Correct answer: 1. One Pn Junction
All the phase voltages in a ∆-connected generator are Equal in magnitude One-sixth of total One-third of total Zero Correct answer: 1. Equal in magnitude
In case of a balanced three-phase load, each phase has An equal amount of power One-third of total power Two-thirds of total power None of these Correct answer: 1. An equal amount of power
A constant load power implies a uniform conversion of Current to voltage Electrical to mechanical energy Mechanical to electrical energy Voltage to current Correct answer: 2. Electrical to mechanical energy
When the loads are perfectly balanced in a three phase power system the neutral current is At maximum One-third of maximum Two-thirds of maximum Zero Correct answer: 4. Zero
The magnitude of each line current in a Y-connected circuit is Equal to the corresponding phase current One-third the phase current Three times the corresponding phase current Zero Correct answer: 1. Equal to the corresponding phase current
In case of a ∆-connected source feeding a Y-connected load Each phase voltage equals the corresponding load voltage Each phase voltage equals the difference of the corresponding load voltages Each phase voltage is 60° Ωut of phase with the corresponding load voltage Each phase voltage is one-third the corresponding load voltage Correct answer: 2. Each … Read more