Which of the following statements is/are correct? Statements: 1) Electromagnet is a device used to convert magnetic field into electrical energy. II) Electromagnet is a device used to convert mechanical energy into magnetic energy.
Neither Statement I nor II
The correct answer is option 2, i.e., Neither statement I nor II.
Let's evaluate each statement:
Statement I: "Electromagnet is a device used to convert magnetic field into electrical energy."
Statement II: "Electromagnet is a device used to convert mechanical energy into magnetic energy."
Which of the following household items does NOT use the heating effect of current?
The magnetic field produced by a current-carrying wire at a given point depends on which of the following factors?
If the resistance of a conductor is increased to three times, then the current will be: (voltage V remains constant)
Which of the following statements is/are correct?
Statements:
I) A current carrying conductor acts like a magnet.
II) Moving electrons perpendicular to the magnetic field do not experience any force.
Which physical quantity represents the rate at which electric energy is dissipated or consumed in an electric circuit?
In Fleming's left hand rule, which physical quantity is represented by the middle finger?
The equivalent resistance of the series combination of R ohm and 5 ohm is 7 ohm. Here, R is _______.
The work done in moving a charge +Q across two points having a potential difference K is:
Which of the folloewing devices does NOT make use of current carrying conductor in a magnetic field ?
Which of the following expressions is NOT correct for electric power?
'Net metering' is sometimes seen in the news in the context of promoting the
Which of the following household items does NOT use the heating effect of current?
The magnetic field produced by a current-carrying wire at a given point depends on which of the following factors?
If the resistance of a conductor is increased to three times, then the current will be: (voltage V remains constant)