Current Electricity-Series and Parallel Combinations of Resistors [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics]: Questions 4 - 9 of 50
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Question 4
Question MCQ▾
The voltmeter shown in fig, reads 6V across the 60Ω resistors. Then the resistance of the voltmeter is-
Choices
Choice (4) | Response | |
---|---|---|
a. | 0 Ω | |
b. | ∞ Ω | |
c. | 200 Ω | |
d. | 300 Ω |
Passage
In the circuit shown in the figure,
Question 5 (1 of 3 Based on Passage)
Question MCQ▾
Rate of conversion of chemical energy within the battery is
Choices
Choice (4) | Response | |
---|---|---|
a. | 24W | |
b. | 14W | |
c. | 20W | |
d. | 4W |
Question 6 (2 of 3 Based on Passage)
Question MCQ▾
Rate of dissipation of electrical energy in battery is
Choices
Choice (4) | Response | |
---|---|---|
a. | 20W | |
b. | 14 W | |
c. | 4 W | |
d. | 24 W |
Question 7 (3 of 3 Based on Passage)
Question MCQ▾
Rate of dissipation of electrical energy in external resistor is
Choices
Choice (4) | Response | |
---|---|---|
a. | 20 W | |
b. | 24 W | |
c. | 14 W | |
d. | 4W |
Question 8
Question MCQ▾
For the circuit shown in the figure
Select the correct answers and mark it according to the following codes:
- The potential difference across RL is 18 V
- The current I through the battery is 7.5 mA
- Ratio of powers dissipated in R1 and R2 is 3
- If R1 and R2 are interchanged magnitude of the power dissipated in RL will decrease by a factor of 9
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 and 2 | |
b. | 1 and 3 | |
c. | 1,2 and 3 | |
d. | 2 and 4 |
Question 9
Question MCQ▾
How can we convert the galvanometer of and current into Ammeter with maximum range of 6A.
Choices
Choice (4) | Response | |
---|---|---|
a. | By adding a resistance 6mΩ . in parallel with the galvanometer | |
b. | By adding a resistance 2.5mΩ in series with the galvanometer | |
c. | By adding a resistance 2.5mΩ in parallel with the galvanometer | |
d. | By adding a resistance 6mΩ in series with the galvanometer |