
Assertion: Electric conduction in gases is possible at normal pressure.
Reason: The electric conduction in gases depends only upon the potential difference between the electrodes.
A. If both assertion and reason are true and the reason is the correct explanation of the assertion.
B. If both assertion and reason are true but reason is not the correct explanation of the assertion.
C. If the assertion is true but the reason is false.
D. If the assertion and reason both are false.
Answer
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Hint: To answer this question, we will first verify the validity of both the supplied assertion and reason statements, and then we will determine whether or not the reason is the proper explanation of the claim.
Complete step by step solution:
Electrical conduction is the passage of electrically charged particles across a transmission medium. According to the question, we have given the assertion as Electric conduction in gases is possible at normal pressure and it’s wrong because the two most necessary conditions for the electrical conduction in gases are Gases should be maintained at low pressure and High voltage so, our assertion is false and the reason statement is given to us as the electric conduction in gases depends only upon the potential difference between the electrodes which is also false because electrical conduction not only depends upon voltage but it happens only in high voltage and low pressure, so both assertion and reason are false.
Hence, the correct answer is option D.
Note:It should be remembered that at low pressure and high voltage the gas in the discharge tube actually breaks into several positive and negative ions and these ions move towards the cathode and anion hence, electrical conduction takes place.
Complete step by step solution:
Electrical conduction is the passage of electrically charged particles across a transmission medium. According to the question, we have given the assertion as Electric conduction in gases is possible at normal pressure and it’s wrong because the two most necessary conditions for the electrical conduction in gases are Gases should be maintained at low pressure and High voltage so, our assertion is false and the reason statement is given to us as the electric conduction in gases depends only upon the potential difference between the electrodes which is also false because electrical conduction not only depends upon voltage but it happens only in high voltage and low pressure, so both assertion and reason are false.
Hence, the correct answer is option D.
Note:It should be remembered that at low pressure and high voltage the gas in the discharge tube actually breaks into several positive and negative ions and these ions move towards the cathode and anion hence, electrical conduction takes place.
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