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Advanced Circuit Components & Connections Assessment

Authored by Ahmed Nour

others

Used 2+ times

Advanced Circuit Components & Connections Assessment
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a rheostat, what physical action causes the resistance to change?

Moving a sliding contact along the wire
Changing the temperature of the wire
Adding more wire to the circuit
Increasing the voltage

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a rheostat has maximum resistance of 100Ω and the sliding contact is moved to the midpoint, what would be the approximate resistance?

50Ω
100Ω
200Ω
25Ω

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a series circuit with three resistors (2Ω, 4Ω, and 6Ω), what is the total resistance?

12Ω

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the current in a series circuit if one resistor's value is doubled?

The current decreases
The current increases
The current stays the same
The current becomes zero

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a parallel circuit with two 6Ω resistors, what is the equivalent resistance?

12Ω

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a 9V battery powers three resistors in series, and the voltage drop across the first two resistors is 3V and 4V respectively, what is the voltage drop across the third resistor?

2V
7V
9V
1V

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement about current in a parallel circuit is correct?

The total current equals the sum of individual currents
The current is the same through each branch
The current decreases with each branch
The current doubles with each branch

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