#1
In a combination circuit, what remains constant throughout the circuit?
Current
Voltage
Resistance
Power
#2
What happens to the total current in a parallel circuit when one of the branches is disconnected?
It decreases
It increases
It remains the same
It becomes zero
#3
What is the equivalent resistance of resistors connected in series?
The sum of individual resistances
The product of individual resistances
The reciprocal of individual resistances
The difference of individual resistances
#4
What is the relationship between voltage and current in a resistor?
Directly proportional
Inversely proportional
No relationship
Exponential
#5
What is the total resistance in a circuit if resistors are connected in parallel?
Equal to the sum of individual resistances
Equal to the reciprocal of the sum of individual resistances
Equal to the product of individual resistances
Equal to the difference of individual resistances
#6
What happens to the total resistance in a series-parallel combination circuit compared to a pure series circuit?
It increases
It decreases
It remains the same
It fluctuates
#7
In a combination circuit, where is the voltage drop across each resistor the same?
In series resistors
In parallel resistors
Both in series and parallel resistors
None of the above
#8
What is the relationship between voltage, current, and resistance in Ohm's Law?
V = IR
V = I/R
I = VR
I = V/R
#9
Which law describes the conservation of energy in an electrical circuit?
Kirchhoff's Voltage Law
Kirchhoff's Current Law
Ohm's Law
Faraday's Law
#10
What is the unit of electrical potential difference?
#11
What is the formula for power dissipation in a resistor?
P = VI
P = V^2/R
P = IR
P = V/R
#12
What is the voltage across resistors in series with different resistance values?
Equal
Proportional to resistance
Dependent on current
Dependent on power
#13
What is the total voltage in a combination circuit with resistors in parallel?
The sum of individual voltages
The average of individual voltages
The highest voltage
The lowest voltage
#14
What happens to the total resistance in a pure parallel circuit as more resistors are added?
It increases
It decreases
It remains the same
It fluctuates
#15
How does the total current in a parallel circuit compare to the current through each branch?
It is equal to the sum of currents in each branch
It is less than the current in each branch
It is greater than the current in each branch
It is the average of currents in each branch
#16
What effect does increasing resistance have on current flow in a circuit?
Increases current
Decreases current
Does not affect current
Reverses current
#17
In a circuit with a battery and resistors in parallel, what is the voltage drop across each resistor?
Different for each resistor
Equal for each resistor
Dependent on resistor values
Dependent on battery voltage