A light bulb is rated at 100W for a 220 V supply. Find The rms current through the bulb.

A light bulb is rated at 100W for a 220 V supply. Find
The rms current through the bulb.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Since, P = I V
`I = (P)/(V)=(100 W)/(220 V)=0.450 A`.

4 views Answered 2023-02-05 15:29

Related Questions

A light bulb is rated at 100W for a 220 V supply. Find The resistance of the bulb,

2 Answers 4 Views

A light bulb is rated at 100W for a 220 V supply. Find The peak voltage of the source,

2 Answers 4 Views

A `15.0 muF` capacitor is connected to a 220 V, 50 Hz source. Find the capacitive reactance and the current (rms and peak) in the circuit. If the freq

2 Answers 4 Views

A `100 Omega` resistor is connected to a 220 V. 50 Hz ac supply. What is the rms value of current in the circuit ?

2 Answers 4 Views

A light bulb is rated at 100 W for a 220 V ac supply . The resistance of the bulb is

2 Answers 4 Views

A current `I=3 sin omega t` ampere flows through a bulb. The P.D. across the bulb is given by `V=4 cos omega t` volt. The power dissipated in the bulb

2 Answers 4 Views

A current of 6A flows through a coil when connected to a 24 volt d.c. supply. To get the same current with a 50 Hz a.c. supply, the voltage required i

2 Answers 4 Views

An ideal inductor is in turn put across 220 V, 50 Hz and 220 V, 100 Hz supplies. The current flowing through it in the two cases will be

2 Answers 4 Views

A 44 mH inductor is connected to 220 V, 50 Hz ac supply. The rms value of the current in the circuit is

2 Answers 4 Views

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

2 Answers 5 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)