A wire of resistance R is coiled inductively so that its inductance is L. The impedance of the coil at a frequency of f is_______________?

Related Mcqs:

An electromagnetic wave consists of _____________________?

A. Electric and magnetic fields moving parallel to each other B. Magnetic field moving with velocity of light in space C. Electric field moving with velocity of light D. Electric and magnetic fields moving perpendicular to each other...

Waves emitted from the antenna are__________________?

A. Sound waves B. Electromagnetic waves C. Radio waves D. Modulated waves...

If capacitance of L-C circuit is made four times then frequency of the circuit becomes___________________?

A. Twice B. One half C. Four times D. None...

A choke is used as a resistance in_________________?

A. DC circuit B. AC circuits C. Both AC and DC circuit D. Full wave rectifier circuit...

An inductive coil has a resistance of 100Ω. When an AC signal of frequency 1000Hz is fed to the coil the applied voltage leads the current by 45Ω. What is the inductance of the coil ?

A. 10mH B. 12mH C. 16mH D. 20mH...