Physics-
General
Easy
Question
In a nelectri calcircu itR ,L,Candana.c.voltagesourceare all connected in series. When L is removed from the circuit,the phase difference between the voltage the current in the circuit is n/3. If instead, C is removed from the circuit, the phase difference is again n/3. The power factor of the circuitis:
- 1/2
-
- 1
-
The correct answer is: 1
Related Questions to study
Physics-
The inductance between A and D is
The inductance between A and D is
Physics-General
Physics-
The area in the first quadrant enclosed by the axis, the line and the circle (greater area) is
The area in the first quadrant enclosed by the axis, the line and the circle (greater area) is
Physics-General
Physics-
The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following statements is true?
The electron in a hydrogen atom makes a transition from an excited state to the ground state. Which of the following statements is true?
Physics-General
Maths-
If f(x) = then
If f(x) = then
Maths-General
Maths-
Maths-General
Maths-
If f: R R is an even function having derivatives of all orders, then an odd function among the following is
If f: R R is an even function having derivatives of all orders, then an odd function among the following is
Maths-General
Maths-
If f: R R is an even function which is twice differentiable on R and
If f: R R is an even function which is twice differentiable on R and
Maths-General
Physics-
Half life of is 5 days. If we start with 50,000
atoms of this isotope, the number of atoms left over after 10
days is
Half life of is 5 days. If we start with 50,000
atoms of this isotope, the number of atoms left over after 10
days is
Physics-General
Physics-
If radius of the nucleus is estimated to be 3.6 Fermi then the radius of nucleus be nearly
If radius of the nucleus is estimated to be 3.6 Fermi then the radius of nucleus be nearly
Physics-General
Physics-
In any fission process the ratio is
In any fission process the ratio is
Physics-General
Physics-
The nuclear reaction (mass of deuteron = 2.0141 a.m.u. and mass of He = 4.0024 a.m.u.) is
The nuclear reaction (mass of deuteron = 2.0141 a.m.u. and mass of He = 4.0024 a.m.u.) is
Physics-General
Physics-
The average number of prompt neutrons produced per fission of is
The average number of prompt neutrons produced per fission of is
Physics-General
Physics-
In a nuclear fission reaction
In a nuclear fission reaction
Physics-General
Physics-
Figure given below shows two identical parallel plate capacitors connected to a battery with switch closed. The switch is now opened and the free space between the plate of capacitors is filled with a dielectric of dielectric constant 3. What will be the ratio of total electrostatic energy stored in both capacitors before and after the introduction of the dielectric
Figure given below shows two identical parallel plate capacitors connected to a battery with switch closed. The switch is now opened and the free space between the plate of capacitors is filled with a dielectric of dielectric constant 3. What will be the ratio of total electrostatic energy stored in both capacitors before and after the introduction of the dielectric
Physics-General
Physics-
In the figure below, what is the potential difference between the point A and B and between B and C respectively in steady stat
In the figure below, what is the potential difference between the point A and B and between B and C respectively in steady stat
Physics-General