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(1) The product of a volt and a coulomb is a joule.
(2) The product of a volt and an ampere is a joule/second
(3) The product of volt and watt is horse power.
(4) Watt-hour can be measured in terms of electron volt.
State if
(2) The product of a volt and an ampere is a joule/second
(3) The product of volt and watt is horse power.
(4) Watt-hour can be measured in terms of electron volt.
State if
- a)All four are correct
- b)(1),(2) and (4) are correct
- c)(1) and (3) are correct
- d)(3) and (4) are correct
Correct answer is option 'B'. Can you explain this answer?
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(1) The product of a volt and a coulomb is a joule.(2) The product of ...
The correct answer is option B - (1), (2), and (4) are correct.
Explanation:
Let's analyze each statement to understand why option B is the correct answer.
1) The product of a volt and a coulomb is a joule.
In electrical terms, a volt (V) represents the potential difference or voltage between two points, and a coulomb (C) is the unit of electric charge. When a charge of one coulomb passes through a potential difference of one volt, the work done is equal to one joule (J). This can be mathematically expressed as:
V x C = J
2) The product of a volt and an ampere is a joule/second.
An ampere (A) is the unit of electric current. It represents the rate at which electric charge flows through a conductor. A volt, as mentioned earlier, represents the potential difference. When one ampere of current flows through a potential difference of one volt, the power dissipated is equal to one watt (W), which is equal to one joule per second (J/s). This can be mathematically expressed as:
V x A = J/s
3) The product of a volt and a watt is horsepower.
This statement is incorrect. The product of a volt and a watt does not result in horsepower. Horsepower (hp) is a unit of power commonly used in mechanical systems, whereas a watt is the standard unit of power in the International System of Units (SI). The conversion factor between watts and horsepower is 1 horsepower = 746 watts.
4) Watt-hour can be measured in terms of electron volt.
This statement is correct. A watt-hour (Wh) is a unit of energy commonly used to measure electrical energy consumption. It represents the amount of energy consumed when one watt of power is used for one hour. On the other hand, an electron volt (eV) is a unit of energy commonly used in atomic and subatomic physics. One electron volt is equal to the amount of kinetic energy gained by an electron when it is accelerated through a potential difference of one volt.
Since statements (1), (2), and (4) are correct, the correct answer is option B - (1), (2), and (4) are correct.
Explanation:
Let's analyze each statement to understand why option B is the correct answer.
1) The product of a volt and a coulomb is a joule.
In electrical terms, a volt (V) represents the potential difference or voltage between two points, and a coulomb (C) is the unit of electric charge. When a charge of one coulomb passes through a potential difference of one volt, the work done is equal to one joule (J). This can be mathematically expressed as:
V x C = J
2) The product of a volt and an ampere is a joule/second.
An ampere (A) is the unit of electric current. It represents the rate at which electric charge flows through a conductor. A volt, as mentioned earlier, represents the potential difference. When one ampere of current flows through a potential difference of one volt, the power dissipated is equal to one watt (W), which is equal to one joule per second (J/s). This can be mathematically expressed as:
V x A = J/s
3) The product of a volt and a watt is horsepower.
This statement is incorrect. The product of a volt and a watt does not result in horsepower. Horsepower (hp) is a unit of power commonly used in mechanical systems, whereas a watt is the standard unit of power in the International System of Units (SI). The conversion factor between watts and horsepower is 1 horsepower = 746 watts.
4) Watt-hour can be measured in terms of electron volt.
This statement is correct. A watt-hour (Wh) is a unit of energy commonly used to measure electrical energy consumption. It represents the amount of energy consumed when one watt of power is used for one hour. On the other hand, an electron volt (eV) is a unit of energy commonly used in atomic and subatomic physics. One electron volt is equal to the amount of kinetic energy gained by an electron when it is accelerated through a potential difference of one volt.
Since statements (1), (2), and (4) are correct, the correct answer is option B - (1), (2), and (4) are correct.
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(1) The product of a volt and a coulomb is a joule.(2) The product of ...
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(1) The product of a volt and a coulomb is a joule.(2) The product of a volt and an ampere is a joule/second(3) The product of volt and watt is horse power.(4) Watt-hour can be measured in terms of electron volt.State ifa)All four are correctb)(1),(2) and (4) are correctc)(1) and (3) are correctd)(3) and (4) are correctCorrect answer is option 'B'. Can you explain this answer?
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