Question 1 of 20
What happens to the total resistance when resistors are connected in series?
In a series circuit, the total resistance is the sum of individual resistances.
Question 2 of 20
How is the total resistance calculated for series resistors?
The total resistance is the sum of individual resistances in a series circuit.
Question 3 of 20
What is the total resistance of three 10? resistors connected in series?
R = 10? + 10? + 10? = 30?
Question 4 of 20
What is the relationship between current and resistance in a series circuit?
Current remains constant in a series circuit.
Question 5 of 20
What happens to the total voltage in a series circuit?
The total voltage is the sum of the voltage drops across each resistor.
Question 6 of 20
How is the total resistance calculated for parallel resistors?
The reciprocal of the total resistance equals the sum of the reciprocals of individual resistances.
Question 7 of 20
What is the total resistance of two 10? resistors connected in parallel?
1/R = 1/10 + 1/10 => R = 5 ?
Question 8 of 20
What is the relationship between voltage and resistance in a parallel circuit?
The voltage is the same across all resistors in a parallel circuit.
Question 9 of 20
What happens to current in a parallel circuit?
The total current is the sum of the individual branch currents.
Question 10 of 20
What is the total current if three parallel resistors (10?, 20?, and 30?) have 12V applied?
I = V/R for each. I1=1.2, I2=0.6, I3=0.4. Total = 2.2A
Question 11 of 20
If you have a 100-ohm resistor and a 200-ohm resistor in series, what is the total resistance?
In series, add the resistances: 100 + 200 = 300 ohms.
Question 12 of 20
If you have a 100-ohm resistor and a 200-ohm resistor in parallel, what is the total resistance?
Use the parallel resistance formula: (100 * 200) / (100 + 200) = 66.67 ohms.
Question 13 of 20
In a series circuit, if the voltage across a 10-ohm resistor is 5V, what is the current flowing through it?
Use Ohm's Law: I = V/R = 5V / 10 ohms = 0.5 A.
Question 14 of 20
In a parallel circuit, if the current through a 20-ohm resistor is 2A, what is the voltage across the resistor?
Use Ohm's Law: V = I * R = 2A * 20 ohms = 40 V.
Question 15 of 20
Which of the following remains constant in a series circuit?
Current remains constant in a series circuit.
Question 16 of 20
Which of the following remains constant in a parallel circuit?
Voltage remains constant in a parallel circuit.
Question 17 of 20
What is the unit of measurement for resistance?
Resistance is measured in Ohms.
Question 18 of 20
What is the unit of measurement for current?
Current is measured in Amperes.
Question 19 of 20
What is the unit of measurement for voltage?
Voltage is measured in Volts.
Question 20 of 20
What is the relationship between voltage, current, and resistance in Ohm's Law?
Ohm's Law states that Voltage (V) = Current (I) * Resistance (R).
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