8-mavzuni 10-topshirig‘iga javoblar. 1 Berilgan: Formulasi: Yechilishi

8-mavzuni 10-topshirig‘iga javoblar.

1) Berilgan: Formulasi: Yechilishi:

U=3V U=A/q A=3•216=648J

t=30min=1800s A=U•q

I=12•10^-2A

q=18•10^2•12•10^-2 Javob:648J

A=?

2) Berilgan: Formulasi: Yechilishi:

I=3,2A q=I•t q=3,2•1800=5760c

t=30min=1800s

q=? Javob:5760c

3)Berilgan: Formulasi: Yechilishi:

l=2m R=P•l/S R=110•10^-8•2/0,5•10^-6=440

S=0,5mm^2=0,5•10^-6

P=110•10^-8m Javob:440

R=?

4)Berilgan: Formulasi: Yechilishi:

l=100m R=P•l/S R=1,7•10^-8•10^2/2•10^-6=0,85

S=2•10^-6m

P=1,7•10^-8♎ Javob:0,85

R=?