Tag: energy for everything

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Multiple choice physics the essence of change forms of energy and energy conservation energy for everything forms of energy

An electric heater converts electrical energy into

  1. Chemical energy

  2. Heat energy

  3. Light energy

  4. Muscular energy
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

An electric heater is an electrical device that converts electrical energy into heat energy. The heating elements inside electric heater is an electrical converter and works on the principle of joule heating. An electric current passing through resistor converts electrical energy into heat energy.

Multiple choice physics the essence of change forms of energy and energy conservation energy for everything forms of energy

The energy present in petrol is :

  1. Chemical

  2. Kinetic

  3. Potential

  4. Heat
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

 chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction to transform other chemical substances.

kinetic energy is due to motion.
potential energy is due to relative position.
heat energy is due to temperature.
in petrol different different reaction occurs which provide energy to run the engine, so energy possessed in petrol is chemical energy.
option A.

Multiple choice physics the essence of change forms of energy and energy conservation energy for everything forms of energy

The muscular energy required by our body is given to us by :

  1. Air

  2. Water

  3. Oxygen

  4. Food
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction to transform other chemical substances.

In food different different reaction occurs which provide energy to run the body, so energy possessed in food is chemical energy and which is converted to muscular energy required to run our body.
so option D.

Multiple choice physics the essence of change forms of energy and energy conservation energy for everything forms of energy

The energy stored in food is :

  1. Electrical

  2. Heat

  3. Chemical

  4. Muscular
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction to transform other chemical substances.

heat energy is due to temperature.
in food different different reaction occurs which provide energy to run the body, so energy possessed in food is chemical energy.
option C.

Multiple choice physics the essence of change forms of energy and energy conservation energy for everything forms of energy

When two dry bodies are rubbed together, they get charged due to movement of free electrons from one body to the other body, so they possess:

  1. nuclear energy

  2. electrical energy

  3. hydro energy

  4. light energy
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

When two dry bodies are rubbed together, they get charged due to movement of free electrons from one body to the other body, so they possess electrical energy.