A choke is preferred to a resistance for limiting current in AC circuit because
A choke is preferred to a resistance for limiting current in AC circuit because Options (a) Choke is cheap (b)…
6 years ago
KA2006
A monoatomic gas is suddenly compressed to (1/8)th of its initial volume adiabatically.
A monoatomic gas is suddenly compressed to (1/8)th of its initial volume adiabatically. The ratio of its final pressure to…
6 years ago
A gaussian sphere encloses an electric dipole within it. The total flux
A gaussian sphere encloses an electric dipole within it. The total flux across the sphere is Options (a) zero (b)…
6 years ago
A satellite in a circular orbit of radius R has a period of 4 hours. Another satellite
A satellite in a circular orbit of radius R has a period of 4 hours. Another satellite with orbital radius…
6 years ago
A galvanometer coil has a resistance of 15 ohm and gives full scale deflection
A galvanometer coil has a resistance of 15 ohm and gives full scale deflection for a current of 4 mA.…
6 years ago
A comb run through one’s dry hair attracts small bits of paper. This is due to
A comb run through one's dry hair attracts small bits of paper. This is due to Options (a) comb is…
7 years ago
When the length of the vibrating segment of a sonometer wire is increased by
When the length of the vibrating segment of a sonometer wire is increased by 1%, the percentage change in its…
7 years ago
An unpolarised beam of intensity I is incident on a pair of nicols making an angle
An unpolarised beam of intensity I is incident on a pair of nicols making an angle of 60° with each…
7 years ago
A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length
A solenoid 1.5 m long and 0.4 cm in diameter possesses 10 turns per cm length. A current of 5…
7 years ago
Chloroplasts without grana are known to occur in
Chloroplasts without grana are known to occur in Options (a) bundle sheath cells of C₃ plants (b) mesophyl cells of…
7 years ago