Question

Student sets up an electric circuit for the verification pf Ohms Law. he observes that voltmeter reading gets in reversed direction. The studebt should
A. Get the voltmeter replaced
B. decrease resistance with the help of rheostat
C. reverse connection of voltmeter
D. connect voltmeter in series​

Answer 1

Answer:

c

Explanation:

will be the answer of the question

Answer 2

Answer:

c)Reverse connection of voltmeter will be the answer.

Explanation:

The voltmeter's connector should be turned around because the voltage reading is backwards.

Ohm's Law:

Ohm's Law states that the voltage across a conductor is directly proportional to the current flowing through it under the premise that all physical variables and temperatures remain constant.

The mathematical representation of this current-voltage link is,

                                    $V=IR$

                                      $I=\frac{V}{R}$

                                      $R=\frac{V}{I}$

• Only under conditions of constant supply temperature and other physical conditions does Ohm's law apply.
• The temperature can rise in some components as the current increases.
• As the current is raised, the temperature of the filament in a light bulb increases as an illustration of this.
• Ohm's law is invalid in this circumstance. The filament of the lightbulb breaks Ohm's Law.
• According to Ohm's rule, if all other physical factors, including temperature, remain constant, the voltage across a conductor will always be directly proportional to the current that is flowing through it.
• Ohm's law states that V = IR, where V is the voltage applied across the conductor, I is the current flowing through it, and R is the resistance the conductor offers to the flow of current.

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