electricity G 12 american quiz 1

Two resistors 3 ohm and 6 ohm are connected in series then their equivalent resistance is

• 3 ohm

• 6 ohm

• 2 ohm

• 9 ohm

two resistors 3 ohm and 6 ohm are connected in parallel then their equivalent resistance

• 2 ohm

• 9 ohm

• 3 ohm

• 6 ohm

The factors acting on the resistivity of a conductor is

• length and area

• kind of material and length

• temperature and area

• Kind of material and temperature

If the length of a conductor increased to its double value and its area increased to double its value then its resistance

• remains constant

• increased to 4 times its value

• decreased to quarter its value

• no correct answer

if the electric current intensity passing in a conductor equal 3 A and the potential difference between its terminal equal 6 V then the value of the resistance is ...

• 18 ohm

• 2 ohm

• 3 0hm

• 6 ohm

when the quantity of charges passing in a conductor is 24 C during 6 sec then the electric current passing in conductor is ....

• 30 A

• 18 A

• 4 A

• no correct answer

In the opposite figure if the current passing from the source is 4 A then the value of resistance (R) is .....

• 10 ohm

• 9 ohm

• 3 ohm

• 1 ohm

three resistors 6 ohm, 3 ohm and 2 ohm are connected in parallel then their equivalent resistance equal ....

• 6 ohm

• 3 ohm

• 2 ohm

• 1 ohm

Three resistors 6 ohm , 3 ohm and 2 ohm are connected in series then their equivalent resistance equal ......

• 2 ohm

• 3 ohm

• 6 ohm

• 11 ohm

the equivalent unit of ampere is ....

• volt

• joule / c

• c / sec

• joule / sec