Electric Charge and Its Properties
Physics ⇒ Electricity and Magnetism
Electric Charge and Its Properties starts at 7 and continues till grade 12.
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See sample questions for grade 10
A neutral atom becomes positively charged when it _______.
Describe the process of charging by induction.
Describe what happens when a negatively charged rod is brought near, but does not touch, a neutral metal sphere.
Explain the difference between conductors and insulators in terms of electric charge movement.
Describe what happens when a negatively charged rod is brought near, but does not touch, a neutral metal sphere.
Explain why rubbing a balloon on your hair can make the balloon stick to a wall.
A neutral metal sphere is suspended by an insulating thread. A positively charged rod is brought close to, but does not touch, the sphere. The sphere is then briefly touched with your finger and the rod is removed. Explain the final charge on the sphere and the process involved.
State and explain the principle of conservation of electric charge with an example involving the decay of a neutron into a proton, electron, and antineutrino.
Which of the following is a correct statement about quantization of charge?
(1) Charge can have any value
(2) Charge always exists as an integer multiple of the elementary charge
(3) Charge is always positive
(4) Charge is always negative
Which of the following is NOT a method of charging an object?
(1) Friction
(2) Conduction
(3) Induction
(4) Radiation
Which of the following is NOT a property of electric charge?
(1) Quantization
(2) Conservation
(3) Divisibility
(4) Additivity
Which of the following is the correct value for the elementary charge?
(1) 1.6 × 10-19 C
(2) 9.1 × 10-31 kg
(3) 3.0 × 108 m/s
(4) 6.02 × 1023
Fill in the blank: The force between two charges increases if the distance between them _______.
Fill in the blank: The process of transferring charge from one object to another by direct contact is called _______.
Fill in the blank: The property of electric charge that allows it to be added algebraically is called _______.
Fill in the blank: The smallest possible value of electric charge is the charge of a single _______.
State whether the following statement is true or false: Electric charge is quantized.
State whether the following statement is true or false: Like charges repel each other.
State whether the following statement is true or false: Neutrons carry no electric charge.
State whether the following statement is true or false: The charge on a proton is equal in magnitude but opposite in sign to the charge on an electron.
