NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Physics: Questions 477 - 481 of 5119
Choose Programs:
📹 Video Course 2024 (8 Lectures [3 hrs : 4 mins]): Offline Support
Rs. 100.00 -OR-
1 Month Validity (Multiple Devices)
Preview All LecturesDetails
⏳ 🎯 Online Tests (5 Tests [50 questions each]): NTA Pattern, Analytics & Explanations
Rs. 500.00 -OR-
3 Year Validity (Multiple Devices)
Sample TestsDetailsSee Demo
🎓 Study Material (575 Notes): 2024-2025 Syllabus
Rs. 650.00 -OR-
3 Year Validity (Multiple Devices)
Topic-wise Notes & SampleDetails
🎯 5119 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 750.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 477
Question MCQ▾
The emf of a standard cell balances across 150 cm length of a wire of potentiometer. When a resistance of 2Ω is connected as a shunt with the cell, the balance point is obtained at 100 cm. The internal resistance of the cell is
Choices
Choice (4) | Response | |
---|---|---|
a. | 2 Ω | |
b. | 0.5 Ω | |
c. | 0.1 Ω | |
d. | 1 Ω |
Question 478
Question MCQ▾
A potentiometer consists of a wire of length 4 m and resistance 10 Ω. It is connected to cell of emf 2 V. The potential difference per unit length of the wire will be
Choices
Choice (4) | Response | |
---|---|---|
a. | 5 V/m | |
b. | 2 V/m | |
c. | 10 V/m | |
d. | 0.5 V/m |
Question 479
Question MCQ▾
In the adjoining network of resistors, each is of resistance r ohm, the equivalent resistance between points A and B is-
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | r | |
c. | 5r | |
d. |
Question 480
Question MCQ▾
In the figure a carbon resistor has bands of different colors on its body as mentioned in the figure. The value of the resistance is
Choices
Choice (4) | Response | |
---|---|---|
a. | 2.2 k Ω | |
b. | 5.6 k Ω | |
c. | 9.1 k Ω | |
d. | 3.3 k Ω |
Question 481
Question MCQ▾
A micro-ammeter has a resistance of 100Ω and a full scale range of 50 μA. It can be used as a voltmeter or a higher range ammeter provided a resistance is added to it Pick the correct range and resistance combination
(1) 10V range with 200 k Ω resistance in series.
(2) 50V range with 10 k Ω resistance in series.
(3) 5 mA range with 1 Ω resistance in parallel.
(4) 10 mA range with 1 k Ω resistance in parallel.
Select the correct answers and mark it according to the following codes:
Choices
Choice (4) | Response | |
---|---|---|
a. | 1,2 and 3 | |
b. | 1 and 2 | |
c. | 2 and 4 | |
d. | 1 and 3 |