Two capacitors of capacitances 2 μF and 3 μF are joined in series.
Two capacitors of capacitances 2 μF and 3 μF are joined in series. Outer plate of first capacitor is at…
7 years ago
MP2003
The unit of electric permittivity is
The unit of electric permittivity is Options (a) volt/m² (b) joule/coulomb (c) farad/m (d) henry/m Correct Answer: farad/m Explanation: Electric…
7 years ago
The magnetic flux linked with a circuit of resistance 100Ω increases from 10 to 60 Wb.
The magnetic flux linked with a circuit of resistance 100Ω increases from 10 to 60 Wb. The amount of induced…
7 years ago
A coil of resistance and 1.0 H inductance is connected to an a.c. source of frequency
A coil of resistance and 1.0 H inductance is connected to an a.c. source of frequency 200/2π Hz. Phase angle…
7 years ago
The unit of reactance is
The unit of reactance is Options (a) ohm (b) volt (c) mho (d) newton Correct Answer: ohmExplanation:No explanation available. Be…
7 years ago
The frequency of fundamental tone in an open organ pipe of length
The frequency of fundamental tone in an open organ pipe of length 0.48 m is to 320 Hz. Speed of…
7 years ago
A capacitor is charged to 200 volt. It has a charge of 0.1 coulomb.
A capacitor is charged to 200 volt. It has a charge of 0.1 coulomb. When it is discharged, energy liberated…
7 years ago
A body moves with a uniform acceleration a and zero initial velocity
A body moves with a uniform acceleration a and zero initial velocity. Another body B starts from the same point…
7 years ago
A horizontal straight conductor kept in north-south direction falls under gravity. Then
A horizontal straight conductor kept in north-south direction falls under gravity. Then Options (a) No e.m.f. is induced along the…
7 years ago
Two discs of same material and thickness have radii 0.2 m and 0.6 m.
Two discs of same material and thickness have radii 0.2 m and 0.6 m. Their moments of inertia about their…
7 years ago