Electro

Question 1

E-

Answer 1

Electomotive force (emf) [V]

Question 2

Inductance marked as

Answer 2

L (H)

Question 3

Change in electric current

Answer 3

^l (A)

Question 4

Change in time

Answer 4

^t (s)

Question 5

Rate of change of electric current strength

Answer 5

^l/^t ( A/s)

Question 6

Inductance-

Answer 6

The property of and electric conducter or circuit to creat magnetic flux when current if flowing trough it

Question 7

Number of turn in a coil

Answer 7

n

Question 8

Change of magnetic flux

Answer 8

^Q

Question 9

Period

Answer 9

T (s)

Question 10

Frequency

Answer 10

f- Hz

Question 11

Effective value of alternative current

Answer 11

0,707*Im

Question 12

Amplitude of voltage

Answer 12

Um=1V

Question 13

Electric generator

Answer 13

A device that converts mechanical or other types of energy to electrical energy

Question 14

On what law is the electric generator based on ?

Answer 14

It’s based on the law of electromagnetic induction

Question 15

Electric generator consists of

Answer 15

Rotor and stator

Question 16

Parts of the electric generator

Answer 16

Magnetic poles, wire frame, contact rings, sliding contact-brushes

Question 17

Transformer-

Answer 17

A device that changes the voltage and strength of an AC circuit

Question 18

n1>n2

Answer 18

Step down

Question 19

n1<n2

Answer 19

Step down

Question 20

k>1

Answer 20

Step down

Question 21

k<1

Answer 21

Step up

Question 22

P1≈

Answer 22

P2

Question 23

Skip

Question 24

Galia

Answer 24

P (1watts)

Question 25

Itampa

Answer 25

U (v)