Elelelelelectricity

Question 1

What is electric current

Answer 1

Rate of flow of charge

-in amps

Question 2

What is voltage?

Answer 2

The amount of energy converted per coulomb of charge flowing

Question 3

What is the equation for current ?

Answer 3

Current = charge
——-
Time

I = Q
–
T

Question 4

What is the equation for voltage?

Answer 4

Voltage=energy converted
—————–
charge flowing

V = E
–
Q

Question 5

What is the current like in the circuit

Answer 5

THE S A M E

Question 6

What is the equation for resistance??

Answer 6

Voltage = current x resistance

V = I x R

Question 7

What is voltage measured in?

Answer 7

Ohms

Question 8

What is resistance ?

Answer 8

The measure of how difficult it is for electric current to flow

Question 9

What is ohms law? What is voltage directly proportional to?

Answer 9

The current (if temp doesn’t change)

Question 10

Does a bulb obey ohms law?

Answer 10

NOpE

Question 11

What is another name for voltage ?

Answer 11

Potential difference

Question 12

What is power?

Answer 12

Energy converted per second

Question 13

What are the 2 equations for power?

Answer 13

Power = energy
——-
time

Power = voltage x current

Question 14

What is power measured in?

Answer 14

Joulesss

Question 15

What is the mains voltage

Answer 15

230 v

Question 16

What is the frequency o the mains?

Answer 16

50 Hz

Question 17

What do fuses do?

Answer 17

Prevent a current which is too large from flowing