Quiz

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Year 2024

October
Week # 1 Quiz 1

Q1. A three-phase three-wire supply feeds a delta connected load consisting of three equal resistors. What will be the reduction in load if one of the resistor is removed?

Q2. The energy stored in the capacitor \(C_1\) under steady state condition is:

Q3. The value of Z in figure which is must appropriate to cause parallel resonance at 500 Hz is

Q4. The value of current 'I3' in the Figure shown below is ___________.<br>

Q5. In two wattmeter method of measuring power in a 3-phase system one of the wattmeter read negative implying

Q6. Two coils connected in series have self inductance of 40 mH and 10 mH respectively. The total inductance of the circuit is found to be 60 mH. The mutual inductance between the two coils is________.

Q7. In the measurement of power using two wattmeter method, when the power factor is unity

Q8. A load is connected to a network. At the Terminals to which the load is connected, \(R_{TH}=10\:\Omega\) and \(V_{TH}=40\:V.\). The maximum possible power supplied to the load is:

Q9. What is the value of equivalent resistance if the resistor \(10\:\Omega\) is parallel to \(20\:\Omega\)?

Q10. A charge of \(4.8 \times10^5 \:C\) passes through a solution of copper sulphate. The number of \(Cu^{++}\) ions liberated from the electrolyte is