A coil having inductance of 0.04 H is connected across 50 hertz AC supply. Calculate the inductive reactance of the coil.
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- A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating of 600 WVDC. The capacitor and resistor are connected to a 480-V, 60-Hz circuit. Is the voltage rating of the capacitor sufficient for this connection?A coil has a resistance of 75 ohms and an inductance of 1.4H. When the applied voltage is 240V, at what frequency is the current 0.3A? 87.67Hz 93.25Hz 92.34Hz 90.55Hz6. A coil draws 1875 watts when connected to a 150 V DC source. It consumes 3072 watts when used on 240 V, 60 Hz AC source. Find the inductance of the coil. Ans. 0.0239 H
- Due to mutual inductance between two coils, there is an induced emf in one coil due to a change in current in the other coil. O True O False O Hard to sayThe inductive reactance of a 0.06-H coil connected to a 120-V, 60-Hz source is?Aresistor and inductor are connected in parallel to a 120 volt, 60 Hz line. The circuit nas a current flow of 3 amperes. The resistor has a resistance of 72 2. What is the induc- tance of the inductor? gaiau cladi slgns ads
- How can self inductance be defined? What will happen to the self inductance of the coil if the number turnd of the coil is doubled and length of the coil halved, keeping area constant?If i have a coil with an inductance 0.14 H and a resistance of 12ohm is connected across a 110V , 25Hz source. how would you make the current in the coil and the phase between the cirrent and supply voltage ?An inductor has an inductive reactance of 250 V when connected to a 60 Hz line.What will ba the inductive reactance If the inductor is connected to a 400 Hz line?
- Inductance of the coil is given by O a. L= 10/N O b. L = N¢/T O c. L= NOI O d. L= N¢ / |Inductance of the coil is given by O a. L= 10 / N O b. L= N|I O c. L= N® / O d. L= N0 / TAn e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be (a) 64 A/s (b) 32 A/s (c) 16 A/s (d) 4 A/s