Answer: Option (c) is the correct answer.
Explanation:
It is known that the relation between resistance, length and cross-sectional area is as follows.
R =
Let the resistance of resistor A is denoted by R and the resistance of resistor B is denoted by R'.
Hence, for resistor A the expression for resistance according to the given data is as follows.
R =
On cancelling the common terms we get the expression as follows.
R =
Now, the resistance for resistor B is as follows.
R' =
Thus, we can conclude that the statement, Wire A has the same resistance as wire B, accurately compares the resistances of wire resistors A and B.
The correct option is A.
Coal fire plants when operating correctly give off carbon dioxide which accumulate carbon and other green house gases in the atmosphere. This accumulation result in the global warming of the earth.
Answer:
The horizontal range will be
Explanation:
We have given initial speed of the shell u =
Angle of projection = 51°
Acceleration due to gravity
We have to find maximum range
Horizontal range in projectile motion is given by
So the horizontal range will be
Answer:
the thought of people in the pastthat is like fire and that can see than touch
Explanation:
heat is a form of energy that can transfer easly from one to the other