Physics
Grade-7
Easy
Question
A battery is a
- Combination of two cells only
- Combination of two or more cells
- Combination of cell and conductor
- Large single cell
Hint:
The battery is a combination of an anode and cathode.
The correct answer is: Combination of cell and conductor
- The batteries are used to supply current to a circuit.
- It is composed of conductors and cells.
- It consists of an anode, cathode, and electrolyte.
Related Questions to study
Physics
Which types of substances are typically effective conductors?
Which types of substances are typically effective conductors?
PhysicsGrade-7
Physics
Materials that do not allow an electric current to pass through them easily are called
Materials that do not allow an electric current to pass through them easily are called
PhysicsGrade-7
Physics
Adding common salt to distilled water makes it
Adding common salt to distilled water makes it
PhysicsGrade-7
Physics
Go through the given statements and select the correct option.
Statement 1: In a circuit, the surface of the bulb becomes warmer than the connecting wires when the same current flows through them.
Statement 2: A thin and long wire has higher resistance than a thick and short wire.
Go through the given statements and select the correct option.
Statement 1: In a circuit, the surface of the bulb becomes warmer than the connecting wires when the same current flows through them.
Statement 2: A thin and long wire has higher resistance than a thick and short wire.
PhysicsGrade-7
Physics
Tungsten is used for the manufacture of an electric bulb because
Tungsten is used for the manufacture of an electric bulb because
PhysicsGrade-7
Physics
Which of the following does NOT contain a heating element?
Which of the following does NOT contain a heating element?
PhysicsGrade-7
Physics
What are the factors upon which the amount of heat produced in a wire depends?
(i) Material
(ii) Length
(iii) Thickness
What are the factors upon which the amount of heat produced in a wire depends?
(i) Material
(ii) Length
(iii) Thickness
PhysicsGrade-7
Physics
Select the one in which the heating effect of current is not used.
Select the one in which the heating effect of current is not used.
PhysicsGrade-7
Physics
Identify the element that is used for making the filament in bulbs.
Identify the element that is used for making the filament in bulbs.
PhysicsGrade-7
Physics
A fuse is fixed in a circuit to
A fuse is fixed in a circuit to
PhysicsGrade-7
Physics
Which of the following effects of electric current is made use of in the figure shown below?
Which of the following effects of electric current is made use of in the figure shown below?
PhysicsGrade-7
Physics
The wire used in a fuse has
The wire used in a fuse has
PhysicsGrade-7
Physics
A device that breaks the electric circuit in the case of excess current is called
A device that breaks the electric circuit in the case of excess current is called
PhysicsGrade-7
Physics
Electromagnet loses its magnetic property when
Electromagnet loses its magnetic property when
PhysicsGrade-7
Physics
Magnetic effects of current were discovered by:
Magnetic effects of current were discovered by:
PhysicsGrade-7