veliciny elstat. pola Flashcards

1
Q

na ake delime veliciny elstat. pola

A

vektorove - intenzita, indukcia - velkost, smer
skalarne - potencial, indukcny tok - velkost

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2
Q

definuj intenzitu pola

A

sila posobiaca v urcitom mieste pola el. naboja

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3
Q

aky je vzorec na vypocet intenzity pola

A

E = F/Q (N, C)

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4
Q

co je to indukcia

A

velkost naboja na ploche vodica (1m2), ktory je v elstat. poli

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5
Q

vymenuj vzorce na vypocet indukcie

A

D = pisE x E (Cm-2)
naboj pripadajuci na jednotku plochy D = Q/S ( C, m2)

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6
Q

co je to potencial

A

praca vykonavana pri prenasani el. naboja z miesta 0 potencialu na ine miesto pola
rozdiel potencialov medzi dvoma miestami je el napatie U=V2-V1

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7
Q

aky je vztah medzi intenzitou a napatim

A

E=U/pis l (male pisane L - hrubka dielektrika)

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