Ratio of the cross sectional areas of tw...

Ratio of the cross sectional areas of two wires A and B made up of the same material is 1 : 4 . If the Wires are connected across the same potential difference , find the ratio of heat produced in them .

Text Solution

Verified by Experts

The correct Answer is:

`1:4`

Topper's Solved these Questions

ELECTRIC ENERGY AND POWER
CHHAYA PUBLICATION|Exercise Problem Set - II|6 Videos
ELECTRIC ENERGY AND POWER
CHHAYA PUBLICATION|Exercise ENTRANCE CORNER (Assertion - reason type )|5 Videos
ELECTRIC ENERGY AND POWER
CHHAYA PUBLICATION|Exercise EXERCISE ( Short Answer Type Questions - II )|3 Videos
DIGITAL CIRCUITS
CHHAYA PUBLICATION|Exercise CBSE SCANNER|6 Videos
ELECTRIC FIELD
CHHAYA PUBLICATION|Exercise CBSE SCANNER|31 Videos

Similar Questions

Explore conceptually related problems

The ratio of cross section of two wires of same length and material is 1 : 4 . If the applied voltage at two ends of each wire is same, then what is the ratio of heat produced in the two wires?

The ratio of the length and diameters of two metallic wires A and B of the same material are 1:2 and 2 :1 respectively. IF both the wires are stretched by the same tension, then the ratio of the elongations of A and B will be

The ratio of the length of three metallic wires of the same mass and made of the same material is 1:2:3 when these three wires are connected in parallel and an external source of emf is connected with the combination,what will be the ratio of the current strengths through the wires?

The ratio of the lengths of two wires made of the same metal and of equal radius is 1:2 IF both the wires are stretched by the same force, then the ratio of the strains will be

The ratio of the radii of two spheres made of the same material 1:4. The ratio of their thermal capacities is

An alpha -particle and a proton are accelerated from rest through the same potential difference V. Find the ratio of de Broglie wavelengths associated with them.

Two wires of the same radius material have lengths in the ratio 1:2. If these are stretched by the same force the strain produced in the two cases will be in the ratio

CHHAYA PUBLICATION-ELECTRIC ENERGY AND POWER-Problem Set - I

Ratio of the cross sectional areas of two wires A and B made up of the...
Text Solution
|
When an exteranal resistance is connected to a battery of emf 80 V , a...
Text Solution
|
An electric bulb is marked 100 w - 230 V . How much energy is produced...
Text Solution
|
A current of 5 A flows through an electric press of resistance 44Omega...
Text Solution
|
An electric bulb rated for 500 watt at 100 volt is connected to a 200 ...
Text Solution
|
Two resistances 2Omega and 6Omega are connected in parallel and the co...
Text Solution
|
Two resistances 2Omega and 6Omega are connected in series and the comb...
Text Solution
|
If the voltage of supply line drops to 180 V , what will be the power ...
Text Solution
|
Two electric lamps marked 110V- 60W and 110V - 100W are connected in ...
Text Solution
|
Each of two electric lamps of power 500 W is designed to work in 220 V...
Text Solution
|
In a Wheststone bridge P=20 Omega,Q=10Omega,R=10Omegaand S=5Omega. . ...
Text Solution
|
An electric heater is marked 110 V - 550 W and it is to be used in 200...
Text Solution
|
An electrical circuit contanis an electrical appliance od reasistance ...
Text Solution
|
Two wires of same measurements are taken . The ratio of specific resia...
Text Solution
|
The ratio of resitance in the fourn arms of a Wheatstone bridge is 3...
Text Solution
|
A fuse wire of radius 0.1 mm can withstand a maximum current of 1 A . ...
Text Solution
|
Two electric lamps marked 110V- 60W and 110V - 100W are connected in ...
Text Solution
|
A 110V -550W hearter is to be used with a 220V mains. What is the mini...
Text Solution
|
How many 60 W bulbs may be safely run on 220 v using a 5 A fuse?
Text Solution
|
If 10 bulbs of 40 each and 3 of 100w each run on the average for 5 hou...
Text Solution
|