What is the inductive reactance of a coi...

What is the inductive reactance of a coil if current through it is `800 mA` and the voltage across it is 40 V?

Text Solution

AI Generated Solution

Topper's Solved these Questions

AC CIRCUITS AND ELECTRIC CIRCUITS
SL ARORA|Exercise problem|57 Videos
ATOMS, NUCLEI AND MOLECULES
SL ARORA|Exercise Problems For Self Practice|87 Videos

Similar Questions

Explore conceptually related problems

Inductive reactance of a coil is expressed in

The flow of current through a resistor varies directly with the voltage (V) across it. When voltage across the resistor is 30 volts, the flow of current through it is 5A. What is the flow of current when the voltage across it is 60 volts?

If a capacitor of 8 mu F is connected to a 220 V, 100 Hz ac source and the current passing through it is 65 mA, then the rms voltage across it is

An a.c source of frequency 1000 Hz is connected to a coil of (200)/(pi) mH and negligible resistance. If effective current through the coil is 7.5 mA , what is the voltage (in volt) across the coil ?

When a voltage of 120 V is impressed across the primary of a transformer, the current in the primary is 1.85 mA. Find the voltage across the secondary, when it delivers 150 mA. The transformer has an efficiency of 95 %.

The inductive reactance of a coil of 0.2 H inductance at a frequecy of 60 Hz is

In an AC circuit the reactance of a coil is sqrt(3) times its resistance, the phase difference between the voltage across the current through the coil will be

The self inductance of a coil having 100 turns is 10 mH. What is the magnetic flux linked with each turn of the coil, if a current of 4 mA is passed through the coil?

The number of the turns in the primary coil of a transformer is 10 times than the same in the secondary coil . If the voltage across the primary is 20 V then find the voltage across the secondary .

SL ARORA-AC CIRCUITS AND ELECTRIC CIRCUITS-problem

The equation of a.c. in a circuit is I=50 sin 100 pi t. Find (i) frequ...
Text Solution
|
A resistance of 500 Omega is connected to a source of emf, epsi=10 sin...
Text Solution
|
What is the inductive reactance of a coil if current through it is 800...
Text Solution
|
A 44 mH inductor is connected to 220 V, 50 Hz a.c. supply. Determine r...
Text Solution
|
An inductance of negligible resistance, whose reactance is 22 ohm at 2...
Text Solution
|
A capactior of 1 mu F is connected ot an a.c. source of e.m.f E = 250 ...
Text Solution
|
A capacitor has a reactance of 100 Omega at 50 Hz What will be its rea...
Text Solution
|
The virtual current in the a.c. circuit shown in fig, 14.15 is 1.0 A. ...
Text Solution
|
A 0.21 H inductor and a 12 ohm resistance are connected in series to a...
Text Solution
|
An e.m.f. E = 200 sin 377 t volt is applied across an inductance L hav...
Text Solution
|
A circuit consists of a resistance 10 ohm and a capacitance of 0.1 mu ...
Text Solution
|
A 20 watt, 50 V lamp is connected in series to a.c. mains of 250 V, 50...
Text Solution
|
A resistor of 50 ohm, an inductor of (20//pi) H and a capacitor of (5/...
Text Solution
|
A 40 ohm resistor, 3 mH inductor and 2 mu F capacitor are connected in...
Text Solution
|
A 50 mu F capacitor, 0.05 H inductor and 48 Omega resistor are connect...
Text Solution
|
An LCR series circuit with L = 100 mH, C = 100 muF, R = 120 Omega is c...
Text Solution
|
A capacitor, resistor of 5 Omega, and an inductor of 50 mH are in seri...
Text Solution
|
In the a.c. circuit shown in fig, the main supply hs constant voltage ...
Text Solution
|
An a,c, source of frequency 50 hertz is connected to a 50 mH inductor ...
Text Solution
|
A 200km long telegraph wire has capacitance of 0.014 mu F//km If it ca...
Text Solution
|