A current of 2.2 A flows through a coil when connected 220 V DC. When – McqOptions

MCQOPTIONS

1.	A current of 2.2 A flows through a coil when connected 220 V DC. When 220 V 50 Hz AC is applied to the same coil, current is 1 A. What is inductance of coil?
A.	6.24 H
B.	62.4 mH
C.	0.624 H
D.	0.624 mH
Answer» D. 0.624 mH

Discussion

No Comment Found

Related MCQs

How is the voltage determined when the current and resistance are given?
Calculate the current I in the following circuit:
A passive network has
For a transmission line, three delta connected capacities each having 10 μF capacitance, if converted to equivalent star connection, how much would each capacitance be?
A 1 Ω resistor is connected across a source having load line v + i = 100. Determine the current through the resistor.
For the circuit shown what is the voltage V if the source voltage is reduced by 50% and the voltage across the current source remain constant?
Based on the voltmeter and ammeter readings in the measuring network, determine the value of the resistor R.
A conducting wire of length l and resistance R is cut into four equal parts. The four parts are then connected in parallel. The resistance of the combination is
Power Loss in a resistor is given by:
Let Δq be the net charge passing through an element in a period of Δt. What is the current passing through that element?