1
NEET 2022 Phase 2
+4
-1

A cell of emf 4 V and internal resistance 0.5 $$\Omega$$ is connected to a 7.5 $$\Omega$$ external resistance. The terminal potential difference of the cell is

A
0.375 V
B
3.75 V
C
4.25 V
D
4 V
2
NEET 2022 Phase 2
+4
-1

The equivalent resistance of the infinite network given below is :

A
$$\left( {1 + \sqrt 5 } \right)\Omega$$
B
$$2\,\Omega$$
C
$$\left( {1 + \sqrt 2 } \right)\Omega$$
D
$$\left( {1 + \sqrt 3 } \right)\Omega$$
3
NEET 2022 Phase 2
+4
-1

The sliding contact C is at one fourth of the length of the potentiometer wire (AB) from A as shown in the circuit diagram. If the resistance of the wire AB is R0, then the potential drop (V) across the resistor R is

A
$${{2{V_0}R} \over {2{R_0} + 3R}}$$
B
$${{4{V_0}R} \over {3{R_0} + 16R}}$$
C
$${{4{V_0}R} \over {3{R_0} + R}}$$
D
$${{2{V_0}R} \over {4{R_0} + R}}$$
4
NEET 2022 Phase 1
+4
-1

Two resistors of resistance, 100 $$\Omega$$ and 200 $$\Omega$$ are connected in parallel in an electrical circuit. The ratio of the thermal energy developed in 100 $$\Omega$$ to that in 200 $$\Omega$$ in a given time is

A
1 : 2
B
2 : 1
C
1 : 4
D
4 : 1
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