¿CUANTOS ELECTRONES PASAN POR UN PUNTO EN 5 SEGUNDOS, SI EN UN CONDUCTOR SE MANTIENE UNA CORRIENTE DE 8 A?
RESISTENCIA ELECTRICA E IMPULSO ELECTRICO

Quiz
•
Physics
•
1st - 12th Grade
•
Hard
Danitza mayorga
Used 5+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2,5 x10 21 electrones
2,5 x10 -20 electrones
2,5 x10 20 electrones
2,5 x10 24 electrones
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se utiliza 1,5 m de cable de cobre, aislado, para conectar los componentes de un circuito, si el cable tiene un diámetro de 2,3 mm ¿Cuál será su resistencia a la temperatura de 20°C?
8,1x10-3 Ω
6,1x103 Ω
6,1x10-3 Ω
6,1x10-3 Ωm
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determinar la resistencia eléctrica de un alambre de 5 km de longitud y 40 mm2 de sección, cuya resistividad es de 1,7 x 10 -8 Ωm
1,13 Ω
2,13 Ω
2,13 Ωm
2,13
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El primer enunciado de Pouillet nos establece:.............
La resistencia eléctrica es directamente proporcional a la longitud
La resistencia eléctrica es igual la longitud
La resistencia eléctrica es indirectamente proporcional a la longitud
La resistencia eléctrica es directamente proporcional a la longitud de una masa
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El segundo enunciado de Pouillet se representa matemáticamente de la siguiente forma:
R=1xA
R=A
R=1
R=1/A
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