A `20 V` 5 watt lamp is used in ac main `220 V` and frequency 50 c.p.s.
Capacitance of capacitor, to be put in series to run the lamp

A 20 V 5 watt lamp is used in ac main 220 V and frequency 50 c.p.s. Inductance of inductor,to be put in series to run tha lamp.

A 20 V 5 watt lamp is used in ac main 220 V and frequency 50 c.p.s. What pure resistance should be included in place of the above passive elements so that the lamp can run on its rated voltage?

A 20 volts 5 watt lamp is used in ac main of 220 volts 50 c.p.s. Calculate the (i) Capacitance of capacitor. (ii) Inductance of inductor, to be put in series to run the lamp, (iii) What pure resistance should be included in place of the above device so that the lamp can run on its voltage. (iv) Which of the above arrangements will be more economical and why ?

A 20 volts 5 watt Jamp is used on a.c. mains of 200 volts 50 c.p.s. Calculate the value of (a) capacitance, (b) inductance to be put in series to run the lamp. (c) how much pure resistance should be included in place of the above device so that lamp can run on its voltage

A 20 V - 5 W lamp is to run on 200 V- 50 Hz a.c. mains. Find the capacitance of a capacitor required to run the lamp.