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10 identical cells connected in series are needed to heat a wire of length 1 m and radius r by 10 degree Celsius in time t. How many cells will be required to heat a wire of length 2 metre of the same radius by the same temperature in time t?? a)20 b)30 c)40 d)10?
Most Upvoted Answer
10 identical cells connected in series are needed to heat a wire of le...
Answer is option A 20..!
use (10E)^2 ÷ R=m×s× delT
and (ne)^2÷2R=m×s× delT
combine this two equation..
from that u find n^2
n^2=4×100
n=20...!!😊
use (10E)^2 ÷ R=m×s× delT
and (ne)^2÷2R=m×s× delT
combine this two equation..
from that u find n^2
n^2=4×100
n=20...!!😊
Community Answer
10 identical cells connected in series are needed to heat a wire of le...
Calculating the Number of Cells Required
- In the given scenario, 10 identical cells connected in series are needed to heat a wire of length 1 m and radius r by 10 degrees Celsius in time t.
- We can calculate the number of cells required using the formula:
\[Q = \frac{m \cdot c \cdot \Delta T}{t}\]
- Where Q is the heat required, m is the mass of the wire, c is the specific heat capacity of the material of the wire, ΔT is the temperature change, and t is the time taken.
- As the length and radius of the wire are doubled in the second scenario, the mass of the wire will also double.
- Therefore, the heat required to heat a wire of length 2 meters and the same radius by 10 degrees Celsius in time t will be double that of the first scenario.
- Since the heat generated by each cell remains the same, the number of cells required will also double.
Calculating the Number of Cells Required for the 2-meter Wire
- Therefore, for a wire of length 2 meters and the same radius, 20 identical cells connected in series will be required to heat the wire by 10 degrees Celsius in time t.
- Hence, the correct answer is option (a) 20 cells.
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10 identical cells connected in series are needed to heat a wire of length 1 m and radius r by 10 degree Celsius in time t. How many cells will be required to heat a wire of length 2 metre of the same radius by the same temperature in time t?? a)20 b)30 c)40 d)10?
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10 identical cells connected in series are needed to heat a wire of length 1 m and radius r by 10 degree Celsius in time t. How many cells will be required to heat a wire of length 2 metre of the same radius by the same temperature in time t?? a)20 b)30 c)40 d)10? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about 10 identical cells connected in series are needed to heat a wire of length 1 m and radius r by 10 degree Celsius in time t. How many cells will be required to heat a wire of length 2 metre of the same radius by the same temperature in time t?? a)20 b)30 c)40 d)10? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 10 identical cells connected in series are needed to heat a wire of length 1 m and radius r by 10 degree Celsius in time t. How many cells will be required to heat a wire of length 2 metre of the same radius by the same temperature in time t?? a)20 b)30 c)40 d)10?.
10 identical cells connected in series are needed to heat a wire of length 1 m and radius r by 10 degree Celsius in time t. How many cells will be required to heat a wire of length 2 metre of the same radius by the same temperature in time t?? a)20 b)30 c)40 d)10? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about 10 identical cells connected in series are needed to heat a wire of length 1 m and radius r by 10 degree Celsius in time t. How many cells will be required to heat a wire of length 2 metre of the same radius by the same temperature in time t?? a)20 b)30 c)40 d)10? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 10 identical cells connected in series are needed to heat a wire of length 1 m and radius r by 10 degree Celsius in time t. How many cells will be required to heat a wire of length 2 metre of the same radius by the same temperature in time t?? a)20 b)30 c)40 d)10?.
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