Physics
Grade-10
Easy
Question
An electric generator is a device that transforms
- Mechanical energy into electrical energy
- Electrical energy into mechanical energy
- Kinetic energy into potential energy
- Electrical energy into Potential energy
Hint:
An electric generator is a device that transforms mechanical energy into electrical energy.
The correct answer is: Mechanical energy into electrical energy
An electric generator is a device that transforms mechanical energy into electrical energy.
- The electrical generators are used for all industrial purposes.
- They have mechanical energy built with internal parts.
- The electrical generators work on the principle of electromagnetic induction which convert mechanical energy into electrical energy.
Related Questions to study
Physics
A current-carrying infinitely long wire is kept along the diameter of a circular wire loop, without touching it, the correct statement(s) is(are)
I. The emf induced in the loop is zero if the current is constant.
II. The emf induced in the loop is finite if the current is constant.
III. The emf induced in the loop is zero if the current decreases at a steady rate.
A current-carrying infinitely long wire is kept along the diameter of a circular wire loop, without touching it, the correct statement(s) is(are)
I. The emf induced in the loop is zero if the current is constant.
II. The emf induced in the loop is finite if the current is constant.
III. The emf induced in the loop is zero if the current decreases at a steady rate.
PhysicsGrade-10
Physics
When a magnet is placed into a coil, an induced emf is generated. The induced emf's strength is unaffected by:
When a magnet is placed into a coil, an induced emf is generated. The induced emf's strength is unaffected by:
PhysicsGrade-10
Physics
The induced e.m.f. in a rod of length “l” translating at a speed v making an angle θ with length “l” and perpendicular to magnetic field B is:
The induced e.m.f. in a rod of length “l” translating at a speed v making an angle θ with length “l” and perpendicular to magnetic field B is:
PhysicsGrade-10
Physics
What happens when a magnet is taken close to a circular coil?
What happens when a magnet is taken close to a circular coil?
PhysicsGrade-10
Physics
What type of energy does a current-carrying coil store in itself?
What type of energy does a current-carrying coil store in itself?
PhysicsGrade-10
Physics
What type of energy does a moving conductor carry?
What type of energy does a moving conductor carry?
PhysicsGrade-10
Physics
The full form of Emf is:
The full form of Emf is:
PhysicsGrade-10
Physics
An emf produces _____.
An emf produces _____.
PhysicsGrade-10
Physics
Who discovered the phenomenon of electromagnetic induction?
Who discovered the phenomenon of electromagnetic induction?
PhysicsGrade-10
Physics
A current flow is in a wire running between the S and N poles of a magnet lying horizontally, as shown in the figure below:
The force on the wire due to the magnet is directed
A current flow is in a wire running between the S and N poles of a magnet lying horizontally, as shown in the figure below:
The force on the wire due to the magnet is directed
PhysicsGrade-10
Physics
A magnetic field directed in the north direction acts on an electron moving in the east direction. The magnetic force on the electron will act
A magnetic field directed in the north direction acts on an electron moving in the east direction. The magnetic force on the electron will act
PhysicsGrade-10
Physics
A negative charge is moving upwards in a magnetic field directed towards the north. The particle will be deflected towards
A negative charge is moving upwards in a magnetic field directed towards the north. The particle will be deflected towards
PhysicsGrade-10
Physics
A magnetic field exerts no force on
A magnetic field exerts no force on
PhysicsGrade-10
Physics
An electron enters a magnetic field at a right angle to it as shown in the figure. The direction of force acting on the electron will be
An electron enters a magnetic field at a right angle to it as shown in the figure. The direction of force acting on the electron will be
PhysicsGrade-10
Physics
Read the following statements and choose the correct option:
Assertion: a magnetic field interacts with a moving charge and not with a stationary charge. Reason: A moving charge produces a magnetic field
Read the following statements and choose the correct option:
Assertion: a magnetic field interacts with a moving charge and not with a stationary charge. Reason: A moving charge produces a magnetic field
PhysicsGrade-10
