Physics
Grade-9
Easy
Question
How is power related to voltage?
- Directly
- Indirectly
- Is not related
- Cannot say
Hint:
Power consumed has a direct relation with the voltage applied across the load.
The correct answer is: Directly
- Power is directly proportional to the voltage applied. P=Vi
Related Questions to study
Physics
It shows the power consumption of a device.
What is it?
It shows the power consumption of a device.
What is it?
PhysicsGrade-9
Physics
What is the measure of the amount of electrical energy an electrical device consumes for every second it is in use.
What is the measure of the amount of electrical energy an electrical device consumes for every second it is in use.
PhysicsGrade-9
Physics
What is the SI unit of power rating?
What is the SI unit of power rating?
PhysicsGrade-9
Physics
____ is the unit of power.
____ is the unit of power.
PhysicsGrade-9
Physics
If a pump can lift 150 kg of water through a height of 6 m in 10 seconds, then its power is
If a pump can lift 150 kg of water through a height of 6 m in 10 seconds, then its power is
PhysicsGrade-9
Physics
How much time will be required to perform 420 J of work at the rate of 30 W?
How much time will be required to perform 420 J of work at the rate of 30 W?
PhysicsGrade-9
Physics
Two people do the same work. One takes twice the time to do it than the other. What is the relation of power between them?
Two people do the same work. One takes twice the time to do it than the other. What is the relation of power between them?
PhysicsGrade-9
Physics
A man of 60 kg weight is standing at rest on a platform. He jumps up vertically a distance of 1 m, and the platform at the same instant moves horizontally forward with the result that the man lands 1 meter behind the point on the platform from where he took the jump; the power applied in doing so in 20 s is
A man of 60 kg weight is standing at rest on a platform. He jumps up vertically a distance of 1 m, and the platform at the same instant moves horizontally forward with the result that the man lands 1 meter behind the point on the platform from where he took the jump; the power applied in doing so in 20 s is
PhysicsGrade-9
Physics
When an object falls freely towards the ground, then its total energy _____
When an object falls freely towards the ground, then its total energy _____
PhysicsGrade-9
Physics
Which of these is not a form of energy?
Which of these is not a form of energy?
PhysicsGrade-9
Physics
What do you mean by power in terms of physics?
What do you mean by power in terms of physics?
PhysicsGrade-9
Physics
Which of the following is not the unit of power?
Which of the following is not the unit of power?
PhysicsGrade-9
Physics
A body of mass m is moving with velocity v. Force, F is applied to move the body. What is the power of the body?
A body of mass m is moving with velocity v. Force, F is applied to move the body. What is the power of the body?
PhysicsGrade-9
