#1
In a DC series circuit, what happens to the voltage across each resistor?
It decreases as more resistors are added.
It increases as more resistors are added.
It remains constant regardless of the number of resistors.
It depends on the individual resistance of each resistor.
#2
What is the total voltage in a DC series circuit?
The sum of the individual voltages across each resistor.
The average of the individual voltages across each resistor.
The highest voltage across any resistor in the circuit.
The product of the individual voltages across each resistor.
#3
What is the relationship between voltage and current in a DC series circuit?
They are directly proportional.
They are inversely proportional.
There is no relationship between voltage and current.
It depends on the resistance of the circuit.
#4
How does the total resistance in a DC series circuit compare to the individual resistances?
It is always greater than the individual resistances.
It is always less than the individual resistances.
It is equal to the sum of the individual resistances.
It is equal to the product of the individual resistances.
#5
What is the main disadvantage of connecting resistors in series?
Higher power dissipation
Lower total resistance
Decreased voltage drop
Increased current flow
#6
Which law is used to calculate the total voltage in a DC series circuit?
Ohm's Law
Kirchhoff's Voltage Law
Faraday's Law
Coulomb's Law
#7
If three resistors are connected in series and one of them has a higher resistance than the others, what happens to the voltage across that resistor?
It remains the same as the other resistors.
It decreases compared to the other resistors.
It increases compared to the other resistors.
It depends on the total resistance of the circuit.
#8
What happens to the current in a DC series circuit if one resistor is removed?
The current decreases.
The current increases.
The current remains the same.
The current becomes zero.
#9
What effect does a decrease in resistance have on the voltage drop across a resistor in a DC series circuit?
The voltage drop increases.
The voltage drop decreases.
The voltage drop remains the same.
The effect cannot be determined without more information.
#10
What does the slope of the voltage-current graph represent in a series circuit?
Total resistance
Total voltage
Total current
Individual resistance
#11
What happens to the total resistance in a DC series circuit when more resistors are added?
It decreases.
It increases.
It remains the same.
It depends on the individual resistances.
#12
If the total voltage in a DC series circuit is 12 volts and there are two resistors with equal resistance, what is the voltage drop across each resistor?
4 volts
6 volts
8 volts
12 volts
#13
What happens to the total power dissipated in a DC series circuit if the total resistance increases?
It increases.
It decreases.
It remains the same.
It depends on the individual resistances.
#14
What happens to the total voltage in a DC series circuit if the number of resistors is increased while keeping the total resistance constant?
It increases.
It decreases.
It remains the same.
It becomes zero.
#15
What is the voltage drop across a resistor in a series circuit if the current through it is 0.5 amperes and the resistance is 10 ohms?
0.05 volts
5 volts
50 volts
5.5 volts