Ramsay Test Technical Aptitude & Knowledge 3

Question 1

In a simple series circuit with three resistors, how does the current compare at each resistor?

Accepted Answer

It is the same through all three

Answer

It is largest at the first resistor

Answer

It splits evenly among them

Answer

It is zero at the last resistor

Question 2

Using Ohm's law, what current flows when 12 volts is applied across a 4 ohm resistor?

Accepted Answer

3 amps

Answer

48 amps

Answer

0.33 amps

Answer

8 amps

Question 3

What is the total resistance of two 10 ohm resistors connected in parallel?

Accepted Answer

5 ohms

Answer

20 ohms

Answer

10 ohms

Answer

100 ohms

Question 4

A device that converts electrical energy into rotational mechanical motion is called a:

Accepted Answer

Motor

Answer

Generator

Answer

Transformer

Answer

Capacitor

Question 5

A transformer with more turns on the secondary than the primary coil will:

Accepted Answer

Step up the voltage

Answer

Step down the voltage

Answer

Convert AC to DC

Answer

Increase the frequency

Question 6

What is the primary function of a fuse in a circuit?

Accepted Answer

To break the circuit during overcurrent

Answer

To store electrical charge

Answer

To increase voltage

Answer

To smooth out current ripple

Question 7

Power dissipated by a 2 amp current through a 5 ohm resistor is:

Accepted Answer

20 watts

Answer

10 watts

Answer

2.5 watts

Answer

40 watts