Q 2. List the energy changes that take place in the following electrical components?
a. a buzzer.
b. a lamp.
c. a motor.
d. a battery.
Q 3. What is the insulator between the contacts of a bell push switch when it is off?
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Answered by
22
Q 2.
(a) electrical energy --> sound energy
(b) electrical energy --> heat energy --> light energy
(c) electrical energy --> kinetic energy
(d) potential energy --> electrical energy
Q 3. There is only air between the contacts of a bell push switch when it is off because they are simple, inexpensive devices.
(a) electrical energy --> sound energy
(b) electrical energy --> heat energy --> light energy
(c) electrical energy --> kinetic energy
(d) potential energy --> electrical energy
Q 3. There is only air between the contacts of a bell push switch when it is off because they are simple, inexpensive devices.
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Answered by
10
Answer:
Explanation:
(a) electrical energy --> sound energy
(b) electrical energy --> heat energy --> light energy
(c) electrical energy --> kinetic energy
(d) potential energy --> electrical energy
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