Physics Notes for 10th Class Chapter-15

Electric power is usually generated at places which are far from the places where it is_____

A generator works on the principle of________

Type of transformer which is used to decrease the value of alternating voltage_______

Shape of Magnetic lines of force in straight Conductor are_____________

What is direction of the magnetic field lines inside a bar magnet?

The Coil of transformer in which alternating voltage is induced is known as_________

The number of magnetic lines of force passing through any surface_________

Lines of force in solenoid resemble the pattern of lines of force due to ________

The stop-up transformer______

Which statement is true about the magnetic poles?

The turn rations of a transformer is 10, it means______

Type of transformer which is used to increase the value of alternating voltage_______

Hold down the end of the current carrying solenoid in front of you, if the direction of current flow through this end is clockwise it would be_________

The magnitude of induced emf depends upon the speed of______

_______ is a study of magnetic effects of current.

Who discovered that when current passes through a conductor it produces a magnetic field around it?

A device used to convert mechanical energy into electrical energy________

Which is an electric switch that opens and closes under the control of another electrical circuit ____

Electromagnet is used in device named as __________

Hold down the end of the current carrying solenoid in front of you, if the direction of current flow through this end is anti-clock wise it would be ______

A transformer has 100 turns in primary and 500 turns in the secondary. If 6 Volts D.C is applied across its primary, the voltage induced across its secondary would be______

MRI stands for __________

Weak ionic current that travel along the nerve can produce the _________

The presence of a magnetic field can be detected by a __________

Transformer works on the principle of_______

Electromagnetic induction was discovered by___________

Which part of a D.C Motor reverses the direction of current through the coil every half cycle?

Direction of Magnetic lines of force in straight conductor is found by_______

Magnetic lines of force in solenoid are________

A device which is used to convert electrical energy into mechanical energy_______

The value of induced e.m.f is directly proportional to the rate of change of__________

The coil of transformer in which change in current produces induced current in another coil is known as___________

The coil which is connected to the alternating voltage whose value is to be altered is known as____

If the current is flowing from bottom end to top, then the direction of magnetic lines of force will be_________

The magnetic field produced in straight current carrying conductor is stronger ______

If the current in a wire which is place perpendicular to a magnetic field increases, the force on the wire ________

Voltage of current supplied to consumers is ______

An electrical device which is used to increase or decrease the value ab alternating voltage____

Who found the direction of induced e.m.f first time?

Force on current carrying conductor in a magnetic field is found by________

A Coil in which current is induced is known as___________

Magnetic field in most part of the coil is__________

The direction of induce e.m.f in a circuit in accordance with conservation of ____

Transformer is called step-down when ________

A Cross “x” on paper indicates that the current is directed___________

A dot “.” on paper indicates that the current is directed_______

The magnetic lines of Force can be traced on cardboard by using_________

If the current is flowing from top to bottom, then the direction of magnetic lines of force will be ___________

Any D.C Motor converts________

Number of turns on the primary coil is represented as _______

If the Current is induced in a circuit due to change of current in another circuit, this process is known as_______

When a straight current carrying conductor is placed in a magnetic field at right angle to it, the direction of force acting on conductor is_______

A closely wound cylindrical coil of insulated wire is _________

If the current through a coil or a circuit changes and this change induces an emf in the circuit itself, this process is known as__________

Number of turns on secondary coil is ________

In step-up transformer _______

When current passes through straight conductor it produces magnetic field in the form of ____

Walk through metal detector are installed at airport and other places for_________

A practical application of mutual induction is______

The magnetic field produced in straight current carrying conductor is weaker ______

The polarity of current carrying solenoid is found by__________