A resistance coil of 60 omega is immerse...

A resistance coil of `60 omega` is immersed in 42 kg of water. A current of 7 A is passed through it. The rise in temperature of water per minutes is :

`4^(@)C`

`8^(@)C`

`1^(@)C`

`12^(@)C`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

ELECTROMAGNETIC INDUCTION
MOTION|Exercise EXERCISE-4 (LEVEL-II)|13 Videos
ELECTRONICS - SEMI CONDUCTOR
MOTION|Exercise EXERCISE - 3|29 Videos

Similar Questions

Explore conceptually related problems

Find the heat produced in joule if a current of 0.1 A is passed through a coil of resistance 25 Omega for one minute.

Current passing through 3 Omega resistance is

A moving coil galvanometer of resistance 50 Omega gives a full scale deflection , when a current of 0.5 m A is passed through it. To convert it to a voltmeter of range , 10 V , the resistance required to be placed in series is

An immersion heater with electrical resistance 7Omega is immersed in 0.1 kg of water at 20^@ C for 3 min. If the flow of current is 4 A , what is the final temperature of the water assuming whole of heat produced is consumed in water. (Specific heat capacity of water = 4.2 xx 10^(3) J kg^(-1)K^(-1) )

Find the heat produced in calorie when a current of 0.2 A is passed through a wire of resistance 41.8 Omega for 10 minutes.

An immersion type electric heater of 250 watts is immersed in 5 kg of water contained in a bucket. In how much time will the temperature water rise by 10^(@)C ? Sp heat capacity of water 1000cal kg^(-1)K^(-1) and J=4.1J cal ^(-1) . Neglect heat capacity of bucket.

A copper calorimeter of mass 0.1kg is filled with 52g of kerosene. A resistance wire of resistance 2 ohms is immersed in it and it is observed that there is a 5^(@)C rise in temperature in 6 minutes when 1 amperes of current is passed through it. Calclate the valule of J . Sp. heat capacity of copper =100 cal kg^(-1)K^(-1) and sp. heat capacity of kerosene =500 cal kg^(-1) K^(-1) .

MOTION-ELECTROMAGNETISM-Exercise

In fig the steady state current in 2omega resistance is
Text Solution
|
All bulbs in figure below are identical which, bulbs light most bright...
Text Solution
|
A resistance coil of 60 omega is immersed in 42 kg of water. A current...
Text Solution
|
The resistance of a galvanometer coil is 100 omega. The value of curre...
Text Solution
|
A potentiometer experiment is setup as shown in fig. If both the galva...
Text Solution
|
A potentiometer, wire of length 10m and resistance 21.8ohm is connect...
Text Solution
|
The shunt required for 10% of main current to be sent through the movi...
Text Solution
|
A cell of two volt and 1.5 ohm internal resistance is connected to two...
Text Solution
|
A ten meter long potentiometer wire is connected to accumulator of emf...
Text Solution
|
The resultant force due to a current carrying long wire on a current l...
Text Solution
|
Out of two identical straight conducting wires of length 20 cm and mas...
Text Solution
|
Current I is flowing through a circular coil of radius r. It is place...
Text Solution
|
A direct current is sent through a helical spring. The spring -
Text Solution
|
Two long, thin wires distant a apart exert a force F on one another wh...
Text Solution
|
A current of 2 ampere is flowing through a coil of radius 0.1 m and ha...
Text Solution
|
The radius of a circular ring of wire is R and it carries a current of...
Text Solution
|
The effective radius of a circular coil is R and number of turns is N....
Text Solution
|
A conducting wire of length l is turned in the form of a circular coil...
Text Solution
|
An electric current of I ampere is flowing in a long conductor CG as s...
Text Solution
|
An electric current of I ampere is flowing in a long conductor CG as s...
Text Solution
|