A `100 km` telegraph wire hasd capacity of `0.02 mu F//km`, if it carries an alternating current of frequency `5 kHZ`. The value of an inductrance required to be connected in series so that the impedance is minimum.

A 200 km long telegraph wire has a capacitance of 0.025 mu F//km . It carries an alternating current of 50 KHz. What should be the value of an inductance required to be connected in series, so that the impedance is minimum. (take pi^(2)=10 )

A 200 km telephone wire has capacity of 0.014 muF km^(-1) . If it carries an alternating current oif frequency 50kHz, what should be the value of an inductance required to be connected in series so that impedance is minimumn ?

A 200km long telegraph wire has capacitance of 0.014 mu F//km If it carries an alternating current of 50 xx 10^(3) Hz what should be the value of an inductance required to be connected in series in series so that impedance isw minimum .

A telephone wire of length 200km has a capacitance of 0.0125 muFper km.If it carries an ac of frequency 5KHz.What should be the value of an inductor required to be connected in series.So that the impedance of the circuit is minimum (pi^(2)=10)

A telephone wire of length 200 km has a capacitance of 0.01 4 (muF)/(km) . If it carries an AC of frequency 5kHz what should be the value of an inductor required to be connected in series so that impedence of the circuit is minimum ?

The diode used at a constant potential drop of 0.5 V at all currents and maximum power rating of 100 mW. What resistance must be connected in series diode, so that current in circuit is maximum?

A coil of inductance L = 5//8 H and of resistance R = 62.8 (Omega) is connected to the mains alternating voltage of frequency 50 Hz. What can be the capacitance of the capacitor (in (mu)F) connected in series with the coil if the power dissipated has to remain unchanged? Take (pi)^(2) = 10 .

A capacitor of capacitance 0.5 muF is connected to a source of alternating e.m.f. of frequency 100 Hz. What is the capacitive reactance? (pi=3.142)

If resistance of 100Omega , inductance of 0.5 henry and capacitor of 10xx10^(-6)F are connected in series through 50Hz AC supply, then impedence is

A 10 m long nichrome wire having 80 Omega resistance has current carrying capacity of 5 A. This wire can be cut into equal parts and equal parts can be connected in series or parallel. What is the maximum power which can be obtain as heat by the wire from a 200 V mains supply? (in kW)