Formulas

Question 1

R=

Answer 1

Ohms

Question 2

I=

Answer 2

Amps(a)

Question 3

V=

Answer 3

Volts(V)

Question 4

Ohms law

Answer 4

R= V
____
I

Question 5

V=formula

Answer 5

V=I x R

Question 6

I=formula

Answer 6

I=V
_
R

Question 7

P=

Answer 7

Watts(W)

Question 8

KW=

Answer 8

Kilowatts-1000W=1KW

Question 9

P=formula

Answer 9

P=IxV

Question 10

I=formula(power)

Answer 10

I=P
____
V

Question 11

V=formula(power)

Answer 11

V=P
———
I

Question 12

Calculating cost

Answer 12

Power(kw) x Time (hrs) x Price for electricity (c/kw•h)

Question 13

How does a generator work?

Answer 13

As the turbine spins, it makes the shaft and rotor spin. The mechanical energy of the rotor is converted into electrical energy inside the generator

Question 14

What is current electricity?

Answer 14

Electric current is the flow of electrical charge through a material, there are 2 types: AC and DC

Question 15

What are wet cells made of

Answer 15

Electrodes
Electrolytes (liquid)
Separator
Container

Question 16

Or are dry cells made of

Answer 16

Electrodes
Electrolytes (paste or gel)
Separator
Container

Question 17

Electroscope

Answer 17

An instrument used to detect electric charge

Question 18

Electrodes

Answer 18

Made of two different conductive metals: anode and cathode

Question 19

Components of a circuit

Answer 19

Source, conductor, load, switch

Question 20

Pith balls/electroscope

Answer 20

Ball of pith if object is charged the charges will move down to the leaves and move apart