Day 1 Quiz

Question 1

Ohms law relates to the following

A. Current mass and time

B. Volts amps and resistance

C. Resistivity area and length

D. Resistivity current and power

Answer 1

B

Question 2

Resistance to current flow is the lowest for.

A. low conductivity media

B. small cross-sectional area media

C. short length conductor

D. high resistivity media

Answer 2

C

Question 3

In a series circuit

A. voltage drops are always equal

B. total resistance equals the sum of individual resistances

C. current varies through resistors

D. total current is equal to the sum of the current through each resistor

Answer 3

B

Question 4

According to ohms law an electrical circuit with a driving voltage of 12 Volts and a resistance of 10 Ohms produces a current of

Answer 4

1.2 Amps

Question 5

According to Kirchoffs laws the

A. sum of the power voltages will equal to the sum of the voltage drops across to the circuit resistances

B. current times the resistance is equal to the voltage

C. sum of the current into a point is greater than that leaving

D. resistivity is equal to the conductivity of a material

Answer 5

A

Question 6

In a series electrical circuit

A. current is different across each resistor

B. Kirchoff’s voltage law is obeyed

C. voltage is the same across each resistor

D. total resistance is this some of the reciprocal of each resistance.

Answer 6

B

Question 7

In a parallel electrical circuit

A. total resistance is the sum of all of the resistors

B. current is the same through each resistor

C. voltage is different across each resistor

D. voltage is the same across each resistor

Answer 7

D

Question 8

The driving voltage of an electrical circuit with a resistance of 1 Ohm and 100 mA is

Answer 8

0.1V

Question 9

What is the total resistance in a series circuit consisting of three resistances 1 Ohm 2 Ohm and 10 Ohms

Answer 9

13 Ohms