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A solenoid of length π m and 5 cm in diameter has a winding of 1000 turns and carries a current of 5 A. Calculate the magnetic field at its centre along the radius.
Concept: Magnetic Field of a Solenoid and a Toroid
Explain Biot Savart's Law.
Concept: Magnetic Field Due to a Current: Biot-savart Law
Define Magnetic intensity.
Concept: Magnetisation and Magnetic Intensity
State the principle on which transformer works.
Concept: Transformers
What is electromagnetic induction?
Concept: Electromagnetic Induction
What are eddy currents?
Concept: Eddy Currents
An alternative voltage given by V = 140 sin 314t is connected across a pure resistor of 50 Ω. Find
- The frequency of the source.
- The rms current is through the resistor.
Concept: Different Types of AC Circuits: AC Voltage Applied to a Resistor
What is the value of resistance for an ideal voltmeter?
Concept: Potentiometer
Draw a neat labelled diagram of a schematic of the experimental setup for the photoelectric effect.
Concept: The Photoelectric Effect
Define Magnetic intensity.
Concept: Magnetisation and Magnetic Intensity
State the principle on which transformer works.
Concept: Transformers
What is electromagnetic induction?
Concept: Electromagnetic Induction
Write the functions of three segments of a transistor.
Concept: Junction Transistor > Transistor as an Amplifier (Ce-configuration)
Draw a block diagram of generalized communication system.
Concept: Elements of a Communication System
Prove the theorem of parallel axes about moment of inertia
Concept: Theorems of Perpendicular and Parallel Axes
Write the necessary equation for maximum safety, speed and state the significance of each term involved in it.
Concept: Banking of Roads
Define moment of inertia. State its SI unit and dimensions.
Concept: Angular Momentum or Moment of Linear Momentum
The moment of inertia of a circular loop of radius R, at a distance of R/2 around a rotating axis parallel to horizontal diameter of the loop is ______
Concept: Moment of Inertia as an Analogous Quantity for Mass
A flywheel is revolving with a constant angular velocity. A chip of its rim breaks and flies away. What will be the effect on its angular velocity?
Concept: Angular Momentum or Moment of Linear Momentum
The moment of inertia of a body about a given axis is 1.2 kgm2. initially, the body is at rest. For what duration on the angular acceleration of 25 radian/sec2 must be applied about that axis in order to produce rotational kinetic energy of 1500 joule?
Concept: Moment of Inertia as an Analogous Quantity for Mass
