1.1

1.248 10 ²¹ electrons

1.2

I = 20A

1.3

I = 32.04 A

1.4

Q = 164C

ENERGY, POWER, VOLTAGE, CURRENT AND CHARGE

1.5

W = 5.44 10 ^?3J

1.6

V = 29V

1.7

W = 400J

1.8

Q = 1.914C

1.9

W = 17.904 MJ

1.10

4500 C, 28.09 10 ²¹ electrons

1.11

$7.26

1.12

I = 14A

1.13

W = 44J

1.14

W = 0J

RESISTANCE

1.15

V = 25.98 V

1.16

R = 3.48 ?

1.17

R = 8.105 10 ^{? 4} ?

1.18

L = 0.2031m

1.19

L = 123.48m

1.20

T = 81.99 C, T = ? 31.42 C

1.21

? = 0.00360 C ^?1

1.22

R( T) = 250 ? C ^?1, T = 1895 C

1.23

I = 15 A, R = 8 ?

1.24

R = 5 ?

APPLICATIONS OF OHM'S LAW

1.25

I ₁/ I ₂ = 0.711, P ₁/ P ₂ = 0.506

1.26

V ₁/ V ₂ = 0.711, P ₁/ P ₂ = 0.360

1.27

I = 12 A, P _R