Physics-
General
Easy
Question
The natural frequency of a L-C circuit is equal to
The correct answer is:
Related Questions to study
Physics-
Power delivered by the source of the circuit becomes maximum, when
Power delivered by the source of the circuit becomes maximum, when
Physics-General
Physics-
A choke coil is preferred to a rheostat in ac circuit as
A choke coil is preferred to a rheostat in ac circuit as
Physics-General
Physics-
In an ac circuit, the r.m.s. value of current, Irms is related to the peak current, I0 by the relation
In an ac circuit, the r.m.s. value of current, Irms is related to the peak current, I0 by the relation
Physics-General
Physics-
An ac supply gives 30 V r.m.s. which passes through a 10
resistance. The power dissipated in it is
An ac supply gives 30 V r.m.s. which passes through a 10 resistance. The power dissipated in it is
Physics-General
Physics-
In an ac circuit with voltage V and current I, the power dissipated is
In an ac circuit with voltage V and current I, the power dissipated is
Physics-General
Physics-
The r.m.s. value of an ac of 50 Hz is 10 amp. The time taken by the alternating current in reaching from zero to maximum value and the peak value of current will be
The r.m.s. value of an ac of 50 Hz is 10 amp. The time taken by the alternating current in reaching from zero to maximum value and the peak value of current will be
Physics-General
Physics-
Alternating current can not be measured by dc ammeter because
Alternating current can not be measured by dc ammeter because
Physics-General
Physics-
The magnetic field in the cylindrical region shown in figure increases at a constant rate of 20 mT/sec. Each side of the square loop ABCD has a length of 1 cm and resistance of 4. Find the current in the wire AB if the switch S is closed
The magnetic field in the cylindrical region shown in figure increases at a constant rate of 20 mT/sec. Each side of the square loop ABCD has a length of 1 cm and resistance of 4. Find the current in the wire AB if the switch S is closed
Physics-General
Physics-
A pair of parallel conducting rails lie at right angle to a uniform magnetic field of 2.0 T as shown in the fig. Two resistors 10 W and 5 are to slide without friction along the rail. The distance between the conducting rails is 0.1 m. Then
A pair of parallel conducting rails lie at right angle to a uniform magnetic field of 2.0 T as shown in the fig. Two resistors 10 W and 5 are to slide without friction along the rail. The distance between the conducting rails is 0.1 m. Then
Physics-General
Physics-
Two coils P and Q are placed co-axially and carry current I and I' respectively
Two coils P and Q are placed co-axially and carry current I and I' respectively
Physics-General
Physics-
A straight wire of length L is bent into a semicircle. It is moved in a uniform magnetic field with speed v with diameter perpendicular to the field. The induced emf between the ends of the wire is
A straight wire of length L is bent into a semicircle. It is moved in a uniform magnetic field with speed v with diameter perpendicular to the field. The induced emf between the ends of the wire is
Physics-General
Physics-
A conducting loop having a capacitor is moving outward from the magnetic field then which plate of the capacitor will be positive
A conducting loop having a capacitor is moving outward from the magnetic field then which plate of the capacitor will be positive
Physics-General
Physics-
Two circular coils A and B are facing each other as shown in figure. The current i through A can be altered
Two circular coils A and B are facing each other as shown in figure. The current i through A can be altered
Physics-General
Physics-
In which of the following circuit is the current maximum just after the switch S is closed
In which of the following circuit is the current maximum just after the switch S is closed
Physics-General
Physics-
A square coil ABCD lying in x-y plane with it’s centre at origin. A long straight wire passing through origin carries a current i = 2t in negative z-direction. The induced current in the coil is
A square coil ABCD lying in x-y plane with it’s centre at origin. A long straight wire passing through origin carries a current i = 2t in negative z-direction. The induced current in the coil is
Physics-General
