1.

2.

3.  $32\mathrm{\Omega }$

4.

Concept Questions :-

Derivation of Ohm's law
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

In the circuit shown in the figure, the current supplied by the battery is 1.  2A

2.  1A

3.  0.5A

4.  0.4A

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

If a resistance coil is made by joining in parallel two resistances each of 20$\Omega$. An emf of 2V is applied across this coil for 100 seconds. The heat produced in the coil is

(1) 20 J

(2) 10 J

(3) 40 J

(4) 80 J

Concept Questions :-

Heating effect of current
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

1.

2.

3.

4.

Concept Questions :-

Grouping of cells
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

1. 2. 3. 4. Concept Questions :-

Current and current density
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The equivalent resistance across AB is : 1.  2R

2.  R/2

3.  4R/3

4.  3R/2

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

An electric Kettle draws 4.2A at 250V. How much time it would take to boil 1kg of water at $20°$C completely to  ?

1.  320 seconds

2.  64 seconds

3.  3840 seconds

4.  960 seconds

Concept Questions :-

Heating effect of current
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The equivalent resistance between points A and B in the circuit shown in the figure is 1.  6R

2.  4R

3.  2R

4.  R

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

A wire has resistance 24 $\Omega$. It is bent in the form of a circle. The effective resistance between the two point on the diameter of the circle is

(1) 6$\Omega$

(2) 4$\Omega$

(3) 3$\Omega$

(4) 12$\Omega$

Concept Questions :-

Combination of resistors
High Yielding Test Series + Question Bank - NEET 2020

Difficulty Level:

The drift velocity of the electrons in a current-carrying  metallic conductor is of the order of

1.

2.

3.

4.  ${10}^{-4}\mathrm{m}/\mathrm{s}$

Concept Questions :-

Current and current density