Chapter 17 D.C. circuits [Calculation consolidation]

The circuit is set up using identical cells and bulbs.

What is the reading of voltmeter V₁?

• 7.0 V

• 14 V

The circuit is set up using identical cells and bulbs.

What is the reading of voltmeter V₄?

Which ammeter reading will have the greatest value?

• A₁

• A₂

• A₃

• All ammeters will have the same reading.

A simple electric circuit is set up as shown below.

Which of the following is correct?

• I = I₁ = I₂

• V = V₁ = V₂

• I₁ = I + I₂

• V = V₁ + V₂

As more and more resistors are added in _____ to a circuit, the equivalent resistance of the circuit decreases

• parallel circuit

• series circuit

Which of the bulbs will not light up when a fault is at X?

• A

• B

• C

• D

Find Current

• 50 mA
• 0.5 mA
• 5 mA
• 500 mA

As shown in the diagram below, the ammeter reads 1A.

What is the e.m.f of the cell?

• 14 V

• 19 V

• 20 V

• 22 V

The currents in different parts of the circuit are I₁, I₂, I₃ and I₄.

Which statement is correct?

• I₁ = I₄ and I₂ is greater than I₃.

• I₁ = I₄ and I₃ is greater than I₂.

• I₂ is greater than I₁ and less than I₃.

• I₂ is greater than I₁ and greater than I₃.

What is the effective resistance of the three resistors in the circuit shown below?

• 0.3 Ω

• 1.1 Ω

• 3 Ω

• 12 Ω