Two bulbs are marked 100 W, 220 V and 60...

Two bulbs are marked 100 W, 220 V and 60 W, 110 V. Calculate the ratio of their resistances.

Text Solution

AI Generated Solution

Topper's Solved these Questions

SELF ASSESSMENT PAPER -1
ICSE|Exercise SECTION .B. |36 Videos
SAMPLE QUESTION PAPER 5
ICSE|Exercise SECTION B|45 Videos
SELF ASSESSMENT PAPER -2
ICSE|Exercise SECTION .B.|37 Videos

Similar Questions

Explore conceptually related problems

Two bulbs are rated 60 W, 220 V' and '60 W, 110 V respectively. Calculate the ratio of their resistances.

Two bulbs of (40 W, 200 V) and (100 W, 200 V). Then correct relation for their resistance:

Two bulbs A and B are rated 100 W, 120 V and 10 W, 120 V respectively. They are connected across a 120 V source in series. Calculate the current through each bulb.

Two bulbs A and B are rated 100 W, 120 V and 10 W, 120 V respectively. They are connected in parallel across a 120 V source. Find the current in each bulb.

Two bulbs A and B are rated 100 W, 120 V and 10 W, 120 V respectively. They are connected across a 120 V source in series. Which bulb will consume more power ?

A light bulb is rated 100 W for 220 V ac supply of 50 Hz. Calculate (i) the resistance of the bulb, (ii) the rms current through the bulb.

A light bulb is rated 150 W for 220 V ac supply of 60 Hz. Calculate (i) the resistance of the bulb, (ii) the rms current through the bulb.

Two bulbs are marked 220 V, 100 W and 220 V, 50W respectively. They are connected in series to 220 V mains. Find the ratio of heats generated in them.

Two bulbs are rated 30 W - 200 V and 60 W - 200 V . They are connected with a 400 V power supply. Find which bulb will get fused if they are connected in (i) series and (ii) parallel.

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

ICSE-SELF ASSESSMENT PAPER -1-SECTION .B.

Two bulbs are marked 100 W, 220 V and 60 W, 110 V. Calculate the ratio...
Text Solution
|
(a) Name the high energetic invisible electro magnetic wave which help...
Text Solution
|
What is an echo?
Text Solution
|
State two conditions for the formation of an echo.
Text Solution
|
A ray of light PQ is incident normally on the hypotenuse of a right an...
Text Solution
|
Two resistors of 4Omega and 6 Omega are connected in parallel to a cel...
Text Solution
|
Two resistors of 4Omegaand6Omega are connected in parallel to a cell t...
Text Solution
|
A lens produces a virtual image between the object and the lens. N...
Text Solution
|
A lens produces a virtual image between the object and the lens. D...
Text Solution
|
State Ohm's law.
Text Solution
|
A metal wire of resistance 62 Ohms is stretched so that its length inc...
Text Solution
|
A person is tuning his radio set to a particular station. What is the ...
Text Solution
|
Name the phenomenon involved, in tuning the radio set.
Text Solution
|
Text Solution
|
A half meter rod is pivoted at the centre with two weights of 20 gf an...
Text Solution
|
A half meter rod is pivoted at the centre with two weights of 20 gf an...
Text Solution
|
Give one use each of (a) microwaves, (b) ultraviolet radiations, (c) i...
Text Solution
|
Give one use each of (a) microwaves, (b) ultraviolet radiations, (c) i...
Text Solution
|
Give one use each of (a) microwaves, (b) ultraviolet radiations, (c) i...
Text Solution
|
The current rating of fuse is 10 A., Explain the statement.
Text Solution
|
Answer the following: (1) Name the three wires of the cable. (2)...
Text Solution
|