MCQs on Ohms law
MCQs on Ohms law Q1: If a current of 5 Amperes flows through the conductor. The number of electrons per second will is 1.6 x 10-19 3.12 x 1019 4…
MCQs on Dielectrics
MCQs on Dielectrics Q1: Which among the following is a dielectric? Copper Aluminium Plastic Ceramic Answer: (d) Ceramic Q2: How can a dielectric be converted to a conductor? Compression Heating…
MCQs on Electric flux
MCQs on Electric flux Q1: What is the value of total flux through the faces of the cube with the sides of length a if a charge Q is placed…
MCQs on Mirror Formula
MCQs on Mirror Formula Q1: A convex mirror of focal length f forms an image which is 1/n times the object. The distance of the object from the mirror is…
MCQs on Moving Coil Galvanometer
MCQs on Moving Coil Galvanometer Q1: The deflection θ is related to the electric current I in a galvanometer by the relation I ∝ θ I ∝ tan θ I…
MCQs on Waves Optics
MCQs on Waves Optics Q1: Polarisation phenomenon explains which nature of light? Transverse longitudinal Both transverse and longitudinal geometrical Answer: (a) Transverse Q2: A narrow slit is taken and a…
MCQs on Prism theory and Dispersion of light
MCQs on Prism theory and Dispersion of light Q1: The critical angle between an equilateral prism and air is 45. If the incident ray is perpendicular to the refracting surface,…
MCQs on Electromagnetic Spectrum
MCQs on Electromagnetic Spectrum Q1: Which of the following has a minimum wavelength? Gamma rays Blue light Infrared rays microwave Answer: (a) Gamma rays Q2: Which among the following has…
MCQs on Perfectly Inelastic Collision
MCQs on Perfectly Inelastic Collision Q1: The coefficient of restitution e for a perfectly inelastic collision is 1 0 Infinity -1 Answer:(b) 0 Q2: When two bodies stick together after…
MCQs on Work Done by Variable Force
MCQs on Work Done by Variable Force Q1: There are two springs with the force constant as k1 and k2 (k1＞k2). They are stretched by the same force then More…
MCQs on Uniform Circular Motion
MCQs on Uniform Circular Motion Q1: The angular velocity of a body moving with a constant speed v in a circle of radius r is given by v2/r vr v/r…
MCQs on Horizontal Projectile Motion
MCQs on Horizontal Projectile Motion Q1: A stone is just released from the window of a train moving along a horizontal straight track. The stone will hit the ground following…
MCQs on Optical Instrument
MCQs on Optical Instrument Q1: A lens which converges a beam of parallel rays to a point is called Diverging (or concave) lens Converging (or convex) lens Plano concave lens…
MCQs on Logic Gates
MCQs on Logic Gates Q1: An inverter gates can be developed using Two diodes Resistance and capacitance Transistor Inductance and capacitance Answer: (c) Transistor Q2: The output of the two-input…
MCQs on Semiconductor Diode
MCQs on Semiconductor Diode Q1: In the forward bias arrangements of a PN junction diode The N end is connected to the positive terminal of the battery The P end…
MCQs on Bipolar Junction Transistor
MCQs on Bipolar Junction Transistor Q1: For a transistor to operate in an active region what is the essential possible condition of biasing? Collector-base and emitter-base junctions are reverse biased.…
MCQs on Photodiode
MCQs on Photodiode Q1: Photodiode is used in the detection of Visible light Invisible light No light Both visible and invisible light Answer: (d) Both visible and invisible light Q2:…
MCQs on PN Junction Diode
MCQs on PN Junction Diode Q1: In a PN junction with no external voltage, the electric field between acceptor and donor ion is called a Peak Barrier Threshold Path Answer:…
MCQ on Series and Parallel Circuits
MCQ on Series and Parallel Circuits Q1: A certain circuit is composed of two parallel resistors. The total resistance is 1,403 Ω. One of the resistors is 2 Ω. The…
MCQ on Junction Transistor
MCQ on Junction Transistor Q1. The emitter-base junction of a transistor is ………. Biased while the collector-base junction is …………. Reverse, Forward Reverse, Reverse Forward, forward Forward, reverse Answer: (d)…
MCQ on Inductance
MCQ on Inductance Q1: Mutual inductance between two magnetically coupled coils depends on Permeability of the core material Number of turns of the coils The cross-sectional area of their common…