Please select a subject first
Advertisements
Advertisements
Choose the correct alternative:
`int (x + 2)/(2x^2 + 6x + 5) "d"x = "p"int (4x + 6)/(2x^2 + 6x + 5) "d"x + 1/2 int 1/(2x^2 + 6x + 5)"d"x`, then p = ?
Concept: Methods of Integration: Integration Using Partial Fractions
If the population of a town increases at a rate proportional to the population at that time. If the population increases from 40 thousand to 60 thousand in 40 years, what will be the population in another 20 years? `("Given" sqrt(3/2) = 1.2247)`
Concept: Application of Differential Equations
From a lot of 15 bulbs which include 5 defectives, a sample of 4 bulbs is drawn one by one with replacement. Find the probability distribution of number of defective bulbs. Hence find the mean of the distribution.
Concept: Random Variables and Its Probability Distributions
Draw a diagram showing all components of forces acting on a vehicle moving on a curved banked road.
Concept: Banking of Roads
Derive an expression for the kinetic energy of a rotating body with uniform angular velocity.
Concept: Rotational Dynamics
State the theorem of parallel axes about moment of inertia.
Concept: Physical Significance of M.I (Moment of Inertia)
Obtain the differential equation of linear simple harmonic motion.
Concept: Differential Equation of Linear S.H.M.
Obtain the differential equation of linear simple harmonic motion.
Concept: Differential Equation of Linear S.H.M.
What is Brewster’s law? Derive the formula for Brewster’s angle.
Concept: Polarization
What is the value of resistance for an ideal voltmeter?
Concept: Potentiometer
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: Applications of Ampere’s Circuital Law > Magnetic Field of a Toroidal Solenoid
What is Magnetic intensity?
Concept: Magnetisation and Magnetic Intensity
Obtain an expression for the orbital magnetic moment of an electron rotating about the nucleus in an atom.
Concept: Origin of Magnetism in Materials
State the principle on which transformer works.
Concept: Transformers
State Lenz’s Law.
Concept: Faraday's Laws of Electromagnetic Induction
What is electromagnetic induction?
Concept: Electromagnetic Induction
State applications of eddy currents.
Concept: Eddy Currents or Foucault 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
