Quiz

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Year 2024

FAQs

September
Week # 1 Quiz 2

Q1. Three similar resistors are connected in star across 400V, three-phase lines. The line current is 5A. Calculate the value of each resistor.

Q2. A capacitor that stores a charge of 0.5 C at 10 volt has capacitance of___________farad

Q3. In a series R-L-C circuit the condition for resonance is

Q4. The power consumed in a circuit element will be least when the phase difference between the current and voltage is

Q5. In the figure shown below, if the current I decreases at a rate of \(\beta\), then \(V_P-V_Q\) is:

Q6. The effective impedance of a series RLC circuit under resonance is equal to ______.

Q7. A delta-connected balanced three-phase load is supplied from a three-phase, 400 V supply. The line current is 20 A and the power taken by the load is 10 kW. Find the power consumed if the same load is connected in star.

Q8. If the D.C. resistance of a coil is R, its resistance at 50 Hz is likely to be_______.

Q9. Which of the following is a bilateral element ?

Q10. A magnetic field exists around


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