An electric bulb rated 220 V and 100 W. ...

An electric bulb rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be -

25 watt

50 watt

75 watt

40 watt

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

CURRENT ELECTRICITY
RESONANCE ENGLISH|Exercise High Level Problems (HIP)|19 Videos
CURRENT ELECTRICITY
RESONANCE ENGLISH|Exercise Exrcies-3(PART-1)|22 Videos
COMMUNICATION SYSTEMS
RESONANCE ENGLISH|Exercise Exercise 3|13 Videos
DAILY PRACTICE PROBLEM
RESONANCE ENGLISH|Exercise DPP.No.71|1 Videos

Similar Questions

Explore conceptually related problems

An electric bulb is rated 220 V and 100 W . When it is operated on 110 V , the power consumed will be :

An electric bulb is rated "220 V, 100 W'. What is its resistance ?

A 100W, 200V bulb is operated on a 110V line. The power consumed is

An electric bulb rated 220 V and 60 W is connected in series with another electric bulb rated 220 V and 40 W . The combination is connected across a source of emf 220 V . Which bulb will glow more?

An electric bulb marked 25 W and 100 V is connected across 50 V supply . Now its power is .

An electric bulb is rated "220 V, 100 W'. What safe current can be passed through it?

An electric bulb bulb rated 100 W, 100 V has to be operated across 141.4 V, 50 Hz A.C. supply. The capacitance of the capacitor which has to be connected in series with bulb so that bulb will glow will full intensity is

An electric iron is rated "220 V, 1 kW'. Under normal working conditions, find : the power consumed if the line voltage falls to 180 V.

An electric heater and an electric bulb are rated 500W. 220V and 100W, 220V respectively. Both are connected in series to a 220V d.c. mains. Calculate the power consumed by (i) the heater ana (ii) electric bulb.

A servo voltage stabiliser restricts the voltage output to 220 V +- 1% . If an electric bulb rated at 220 V, 100 W is connected to it, what will be the minimum and maximum power consumed by it?

RESONANCE ENGLISH-CURRENT ELECTRICITY-Exrcies-3(PART-2)

The current i drawn from the 5 V source will be
Text Solution
|
In a Wheatstone bridge, resistances P, Q, and R are connected in the t...
Text Solution
|
An electric bulb rated 220 V and 100 W. When it is operated on 110 V,...
Text Solution
|
A material B has twice the specific resistance of A. A circular wire m...
Text Solution
|
The Kirchhoff’s first law (sum i=0) and second law (sumR= sum E) , ...
Text Solution
|
The resistance of a wire is 5Omega at 50^@C at 6Omega at 100.
Text Solution
|
Shown in the figure below is a meter-bridge set up with null deflectio...
Text Solution
|
A 5V battery with internal resistance 2 Omega and a 2V battery with in...
Text Solution
|
Two conductors have the same resistance at 0^(@)C but their temperatur...
Text Solution
|
If a copper wire is stretched to make it 0.1% longer what is the perce...
Text Solution
|
The current in the primary circuit of a potentiometer is 0.2 A. The sp...
Text Solution
|
Two electric bulbs marked 25W - 220V and 100W - 220V are connected in ...
Text Solution
|
The supply voltage to a room is 120 V. The resistance of the lead wire...
Text Solution
|
Statement I: The higher the range, the greater the resistance of an am...
Text Solution
|
In a large building, there are 15 bulbs of 40 W, 5 bulbs of 100 W, 5 f...
Text Solution
|
When 5V potential difference is applied across a wire of length 0.1 m,...
Text Solution
|
A galvanometer having a coil resistance of 100 Omega gives a full scal...
Text Solution
|
In the following circuit the current in each resistance is
Text Solution
|
Which of the following statement is false ?
Text Solution
|
When a current of 5mA is passed through a galvanometer having a coil o...
Text Solution
|