Electrical power, in watts = (voltage, in volts) x (current, in Amperes)
Answer:
(A)
Explanation:
Depending on the circumstances, there are such things called good stress and bad stress.
Answer:
Q = 231.6 J
Explanation:
Given that,
Mass, m = 3 g
The temperature rises from 20°C to 220°C.
We know that, the specific heat of copper is, c = 0.386 J/g K
We know that the energy transferred in heating of copper is given by :
So, the required energy is equal to 231.6 J.
Answer:
ALT key and type 0937 on the keypad.