The compound co2 is an example of a(n) atom element ionic compound covalent compound
1 answer:
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Answer:
<h2><u>Rheostat:</u></h2>=> Rheostat is an electric device used as a variable resistance, like the regulator of the fan. It is used to change the electric resistance in the electric circuit.
<h2><u>Principle / Rule:</u></h2>=> Rheostat works on the principle of Ohm’s law. Ohm’s law states that current in a circuit is inversely proportional to the resistance at the given temperature.
Answer:
Value of
Explanation:
We have given
In first case resistance is and current is 1.8 A
Let the potential difference is v
So ----eqn 1
In second case resistance is and current is 1.6 A and potential difference will be as it is a series connection
So ----eqn 2
From eqn 1 and eqn 2
Given parameters:
Speed of car = 50m/s
Time of travel = 5minutes (300s)
Unknown;
Distance of travel = ?
To solve this problem, we need to understand how speed relates with distance and time.
Speed is a physical quantity. It is the distance traveled divided by time taken.
Speed =
So,
Distance = speed x time
Input the parameters and solve for the distance;
Distance = 50m/s x 300s
Distance = 15000m
The distance covered during this time interval and speed is 15000m