Question

1) An electric bulb of resistance 10 ohms, and a resistance wire of 2 ohms are connected in series with a 3V battery. Draw the circuit diagram and calculate: [Applying] a. Total resistance of the circuit. b. Current through the circuit. c. Potential difference across the electric bulb. d. Potential difference across resistor wire. 2) V1, V2 and V3 are the potential differences across the1Ω, 2Ω and 3Ω resistors in the following diagram, and the current is 5A. Which of the following shows the correct values of V1, V2 and V3 measured in volts? [Applying] A)ܸଵ =1, ܸଶ = 2 and ܸଷ = 3 B)ܸଵ =5, ܸଶ = 10 and ܸଷ= 15 C) ܸଵ =5, ܸଶ = 2.5 and ܸଷ = 1.6 D) ܸଵ =4, ܸଶ = 3 and ܸଷ = 2 3) A p.d. of 4 V is applied to two resistors of 6 ohm and 2 ohm connected in series. Calculate: [Applying] a. The combined resistance b. The current flowing c. The p.d. across the 6 ohm resistor 4) In a circuit where all components are connected in series, what physical quantity of the each component is constant? a. Voltage b. Current c. Resistance d. None of the above. 5) Derive the relation ܴ = ܴଵ + ܴଶ + ܴଷwith a neat circuit, when resistors ܴଵ,ܴଶ ܽ݊݀ ܴଷ are joined in series. [Understanding] 6) Calculate equivalent resistance, current across 4 ohm if the applied voltage is 6V [Analyse]​

Answer 1

Explanation:

This is circuit diagram

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