Circuiti elementari

Circuiti elementari

8th Grade

15 Qs

quiz-placeholder

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Circuiti elementari

Circuiti elementari

Assessment

Quiz

Physics

8th Grade

Hard

Created by

Giovanni Ricci

Used 21+ times

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Quale tra i seguenti elementi è attivo

Resistore

Generatore

Conduttore

Isolante

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Che sezione deve avere un filo per essere attraversato da 1,5A con una densità di 2000 mA/cm2

750mm2

7.5mm2

75mm2

7500mm2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Qual'è il rapporto tra carica dell'elettrone (e) e quella del protone (p)?

|e| = |p|

|e| > |p|

|e| < |p|

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Se |e|=1,6*10^(-19) , quanti elettroni passano ogni secondo in un conduttore se I = 0,32 A

0,521 * 10^(19)

2 * 10^(-18)

0,521 * 10^(-19)

2 * 10^(18)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Da quali UdM è costituito il Volt?

1V=1 Asec1V=1\ A\cdot\sec

1V = 1Asec1V\ =\ 1\frac{A}{\sec}

1V = 1 JC1V\ =\ 1\ \frac{J}{C}

1V =1 AΩ1V\ =1\ \frac{A}{\Omega}

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Da quali UdM è costituito il Watt?

1W = 1 AΩ1W\ =\ 1\ A\cdot\Omega

1W = 1 VΩ1W\ =\ 1\ V\cdot\Omega

1W =1 Jsec1W\ =1\ \frac{J}{\sec}

1W = 1 Jsec1W\ =\ 1\ J\cdot\sec

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Se alimento un circuito con 5V, che corrente si genererà se R=25Ω?

125A

0.25A

0.20A

1.25A

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