JAMB and WAEC Physics questions: Conduction of electricity through liquids and gases

21 questions with answers and explanations. Tap an option to check yourself.

All JAMB WAEC

Question 1· Conduction of electricity through liquids and gases· JAMB
A fluorescent tube gives out light because of
Explanation and discussion
Question 2· Conduction of electricity through liquids and gases· WAEC
The mass of a substance liberated in electrolysis by one coulomb of charge is its
Explanation and discussion
Question 3· Conduction of electricity through liquids and gases· WAEC
Pure water is a poor conductor of electricity because it contains
Explanation and discussion
Question 4· Conduction of electricity through liquids and gases· JAMB
Thermionic emission is the release of
Explanation and discussion
Question 5· Conduction of electricity through liquids and gases· JAMB
In an electrolysis, doubling the current and keeping the time the same will make the mass deposited
Explanation and discussion
Question 6· Conduction of electricity through liquids and gases· JAMB
A current of 2 A flows for 30 minutes through a copper sulphate solution. Find the mass of copper deposited. (Electrochemical equivalent of copper = 3.3 × 10⁻⁷ kg/C)
Explanation and discussion
Question 7· Conduction of electricity through liquids and gases· WAEC
A fluorescent tube produces light by
Explanation and discussion
Question 8· Conduction of electricity through liquids and gases· JAMB
Faraday's first law of electrolysis states that the mass of a substance liberated is proportional to the
Explanation and discussion
Question 9· Conduction of electricity through liquids and gases· JAMB
Cathode rays are
Explanation and discussion
Question 10· Conduction of electricity through liquids and gases· JAMB
Gases conduct electricity most readily at
Explanation and discussion
Question 11· Conduction of electricity through liquids and gases· JAMB
In the electrolysis of copper(II) sulphate solution with copper electrodes,
Explanation and discussion
Question 12· Conduction of electricity through liquids and gases· WAEC
During the electrolysis of copper(II) sulphate solution with copper electrodes, the mass of the cathode
Explanation and discussion
Question 13· Conduction of electricity through liquids and gases· JAMB
An electrolyte conducts electricity by the movement of
Explanation and discussion
Question 14· Conduction of electricity through liquids and gases· WAEC
A current of 3 A flows for 10 minutes through an electrolyte. The electrochemical equivalent of the metal is 3 × 10⁻⁷ kg/C. Find the mass deposited.
Explanation and discussion
Question 15· Conduction of electricity through liquids and gases· JAMB
In electroplating a spoon with silver, the spoon is made the
Explanation and discussion
Question 16· Conduction of electricity through liquids and gases· WAEC
Electroplating a spoon with silver uses the spoon as the
Explanation and discussion
Question 17· Conduction of electricity through liquids and gases· JAMB
In a cathode-ray tube, the electrons are produced by
Explanation and discussion
Question 18· Conduction of electricity through liquids and gases· WAEC
The mass of a substance liberated in electrolysis is proportional to the
Explanation and discussion
Question 19· Conduction of electricity through liquids and gases· WAEC
A current of 2 A passes through copper sulphate solution for 30 minutes. Find the mass of copper deposited. [electrochemical equivalent of copper = 3.3 × 10⁻⁷ kg/C]
Explanation and discussion
Question 20· Conduction of electricity through liquids and gases· JAMB
Cathode rays are streams of
Explanation and discussion

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JAMB and WAEC Physics questions: Conduction of electricity through liquids and gases

A fluorescent tube gives out light because of

The mass of a substance liberated in electrolysis by one coulomb of charge is its

Pure water is a poor conductor of electricity because it contains

Thermionic emission is the release of

In an electrolysis, doubling the current and keeping the time the same will make the mass deposited

A current of 2 A flows for 30 minutes through a copper sulphate solution. Find the mass of copper deposited. (Electrochemical equivalent of copper = 3.3 × 10⁻⁷ kg/C)

A fluorescent tube produces light by

Faraday's first law of electrolysis states that the mass of a substance liberated is proportional to the

Cathode rays are

Gases conduct electricity most readily at

In the electrolysis of copper(II) sulphate solution with copper electrodes,

During the electrolysis of copper(II) sulphate solution with copper electrodes, the mass of the cathode

An electrolyte conducts electricity by the movement of

A current of 3 A flows for 10 minutes through an electrolyte. The electrochemical equivalent of the metal is 3 × 10⁻⁷ kg/C. Find the mass deposited.

In electroplating a spoon with silver, the spoon is made the

Electroplating a spoon with silver uses the spoon as the

In a cathode-ray tube, the electrons are produced by

The mass of a substance liberated in electrolysis is proportional to the

A current of 2 A passes through copper sulphate solution for 30 minutes. Find the mass of copper deposited. [electrochemical equivalent of copper = 3.3 × 10⁻⁷ kg/C]

Cathode rays are streams of