In the circuit below, v_s = -3 Volts, R₁ = 7Ω, R₂ = 3Ω. Find i in Amps. Give your answer to 3 decimal places.

In the circuit below, i = 8.1 Amps, R₁ = 8.1Ω and R₂ = 8.1Ω. Find V_s in Volts to 2dp.

How many loops are there in this circuit? Express your answer as an integer.

For the loop picture below, v₁ = -3 V, v₂ = -3 V and v₃ = 4 V. Find v_x in Volts.

At the node picture below, i₁ = 3 A, i₂ = -3 A and i₃ = 1 A. Find i_x in Amps.

How many nodes are in this circuit? Express your answer as an integer.

What is the power absorbed in Watts by a resistor with resistance of 2.2Ω connected to a current source of 4.3 Amps? Give your answer to 3 dp.

If i = -1A, v = -5V, the circuit element below is supplying power. True or false?

Given the code shown, how many lines will be printed on the console?

Given the following list:

numbers = [ 9 , 6, 6, 7, 2, 2 ]

numbers[3] = 2 * numbers[1]

numbers[0] += 1

total = numbers[3] - numbers[0]

What is the value held by the variable total at the end of this calculation?