
Opposition of flow of electric current is called:
A) Potential difference.
B) Electric charge.
C) Resistance.
D) Electromagnetic induction.
Answer
466.2k+ views
Hint: Electricity is a form of energy which flows from one point to another point with the help of flow of electrons from point one to another. Electricity can only flow from a conductor. The elements which have free electrons allow very easy flow of current as the flow of electricity depends upon the flow of electrons.
Complete step by step solution:
It is asked in the problem about the opposition of the flow of electric current. The electric current is the energy which flows due to the potential difference across the two different points. The current wire always has some resistance to offer. Resistance is defined as the hurdles in the path of the flow of current. The resistance(R) is measured in ohms represented by $\Omega $. The ohm's law bids the potential difference, the current in the circuit and the resistance in the circuit and represented as $V = I \times R$.
Where the current is I, the potential difference is V and the resistance is R.
The formula of the resistance is given by,
$ \Rightarrow R = \rho \dfrac{l}{A}$
Where R is resistance, the resistivity is $\rho $, the length of the wire is l and the area of cross section is A.
Here the resistivity of any material is defined as the resistance of the conductor of unit length and unit area of cross section.
The reciprocal of conduction is known as resistance of the circuit. Conduction is the ability of any material to allow the flow of the current through it.
The correct answer for this problem is option C.
Note: Resistance is the hurdle that opposes the flow of current. The flow of current is always opposed by the resistance and due to which there is great loss of the current while transmitting it from one place to another place.
Complete step by step solution:
It is asked in the problem about the opposition of the flow of electric current. The electric current is the energy which flows due to the potential difference across the two different points. The current wire always has some resistance to offer. Resistance is defined as the hurdles in the path of the flow of current. The resistance(R) is measured in ohms represented by $\Omega $. The ohm's law bids the potential difference, the current in the circuit and the resistance in the circuit and represented as $V = I \times R$.
Where the current is I, the potential difference is V and the resistance is R.
The formula of the resistance is given by,
$ \Rightarrow R = \rho \dfrac{l}{A}$
Where R is resistance, the resistivity is $\rho $, the length of the wire is l and the area of cross section is A.
Here the resistivity of any material is defined as the resistance of the conductor of unit length and unit area of cross section.
The reciprocal of conduction is known as resistance of the circuit. Conduction is the ability of any material to allow the flow of the current through it.
The correct answer for this problem is option C.
Note: Resistance is the hurdle that opposes the flow of current. The flow of current is always opposed by the resistance and due to which there is great loss of the current while transmitting it from one place to another place.
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