Question

5) Match the pairs.
1) Free electron
2) Current
3) Resistivity
4) Kesistance in series
a) V/R
b) Increase the resistance in the circuit
c) Weakly attached
d) VA/LI.​

Answer 1

Answer:

1) Free electron- weakly attached

2) Current- V/R

3) Resistivity- VA/LI

4) Resistance in series- Increase the resistance in the circuit

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Answer 2

Question:

Match the pairs:

1) Free electron

2) Current

3) Resistivity

4) Resistance in series

a) V/R

b) Increase the resistance in the circuit

c) Weakly attached

d) VA/LI.

Answer:

c), a), d), b)

Explanation:

1) Free electron - weakly attached

2) Current - V/R

3) Resistivity - VA/LI

4) Resistance in series - Increase the resistance in the circuit

• Free electrons are the electrons which are very weakly attached to the molecule and are free to move.
• Current is a flow of electrical charges. It's S.I. unit is Ampere. (1 ampere = 1 coulomb/1 second)
• Resistivity is the electrical resistance of a conductor of unit cross sectional area and unit length. It is an intrinsic property. R = rho (L/A); rho = RA/L = VA/LI