The strength of a current carrying solenoid increases with a rise in its temperature.

True

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False

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Solution

The correct option is B False
Heating (increasing temperature) increases the resistance of the solenoid due to which the curent flowing through it will decrease. The strength of that magnetic field is the product of the ampere-turns of current going around the electromagnet., so it will also decrease.

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Similar questions

The strength of a current carrying solenoid increases with a rise in its temperature.

The magnetic field strength of a current carrying solenoid increases with a rise in its temperature.

The magnetic field strength of a current carrying solenoid increases with

(a) What is a solenoid ? Draw a sketch to show the magnetic field pattern produced by a current-carrying solenoid.

(b) Name the type of magnet with which the magnetic field pattern of a carrent-carrying solenoid resembles.

(c) What is the shape of field lines inside a current-carrying solenoind ? What does the pattern of field lines inside a current-carrying solenoid indicate ?

(d) List three ways in which the magnetic field strength of a current-carrying solenoid can be increased ?

(e) What type of core should be put inside a current-carrying solenoid to make it into an electromagnet ?

Q. When a current is passed in a conductor, 3

^{o} C

rise in temperature is observed. If the strength of current is increased three times, then rise in temperature will approximately be:

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