Table 1(a) shows the marks obtained by 40 students in an examination
1 answer:
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Answer:
Check the explanation
Explanation:
To calculate weight when the mass is already known, make use of the formula weight = mass times gravitational acceleration. But kindly note that on the surface of the earth, gravitational acceleration is always 9.8 m/s^2, so simply plug in the mass and multiply it by 9.8 to get the weight in newtons.
Kindly check the attached image below to know the step by step explanation.
Answer:
Option C (80 ohms) is the right answer.
Explanation:
The given values are:
Current,
I = 1.5 A
Voltage,
V = I20 V
As we know,
⇒
or,
The resistance will be:
⇒
On substituting the values, we get
⇒
⇒