Resistors of 2 Ω, 3 Ω and 5 Ω are connected in series across an ideal 20 V battery. The current in the circuit is:
Resistors of 2 Ω, 3 Ω and 5 Ω are connected in series across an ideal 20 V battery. The current in the circuit is:
A 6 Ω resistor and a 3 Ω resistor are connected in parallel. Their equivalent resistance is:
Using all three of three identical resistors (each R) every time, how many different values of equivalent resistance can be obtained?
A 4 Ω resistor and a 12 Ω resistor are connected in parallel, and this combination is connected in series with a 2 Ω resistor across an ideal 10 V battery. The current through the 12 Ω resistor is:
Resistors of 10 Ω and 20 Ω are connected in series across an ideal 30 V supply. The potential difference across the 20 Ω resistor is:
Twelve identical resistors, each of resistance R, form the edges of a cube. The equivalent resistance between two diagonally opposite corners of the cube is:
A uniform wire of resistance R is cut into four equal parts, which are then connected in parallel. The equivalent resistance is:
For resistors connected in parallel, which quantity is the same for every resistor?
A 3 Ω and a 6 Ω resistor are connected in parallel; this combination is in series with a 4 Ω resistor; and the whole arrangement is connected in parallel with a 12 Ω resistor. The equivalent resistance is:
A total current of 5 A divides between a 2 Ω resistor and an 8 Ω resistor connected in parallel. The current through the 2 Ω resistor is:
Three 6 Ω resistors are connected to form a triangle. The equivalent resistance between any two corners of the triangle is:
The maximum and minimum equivalent resistances that can be obtained using four 2 Ω resistors are respectively:
An additional resistor is connected in parallel with an existing combination of parallel resistors. The equivalent resistance of the combination:
Two resistors have an equivalent resistance of 9 Ω when connected in series and 2 Ω when connected in parallel. Their values are:
Resistors of 3 Ω, 6 Ω and 2 Ω are connected in parallel. Find their equivalent resistance in ohm.
A uniform wire of resistance 18 Ω is cut into three equal pieces, which are then connected in parallel. Find the equivalent resistance in ohm.
Resistors of 4 Ω and 6 Ω are connected in series across an ideal 20 V battery. Find the potential difference (in volt) across the 6 Ω resistor.
An infinite ladder network is made of repeating sections, each with a 2 Ω resistor in series followed by a 4 Ω resistor in parallel (shunt). Find the equivalent resistance (in ohm) between the input terminals.