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Cells, EMF and Internal Resistance for GUJCET: 10 solved questions

Real GUJCET paper questions on cells, emf and internal resistance, part of current electricity. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2008 to 2023. No sign-in needed to read them.

What this topic asks

• Terminal voltage and internal resistance — 5 questions
• Combination of cells — 5 questions

All 10 questions with solutions

• The internal resistance of a cell of emf 4 V is 0.1 Ω. It is connected to a resistance of 3.9 Ω. The voltage… GUJCET 2008
• In an experiment, current flowing through a cell and potential difference across its terminals are measured a… GUJCET 2013
• A student is given 4 identical batteries, each of emf 1.5 V and internal resistance 0.1 Ω. The student is ask… GUJCET 2016
• One electric cell (having emf 2 V and internal resistance 0.1 Ω) and another electric cell (having emf 4 V an… GUJCET 2020
• n identical cells of emf ε and internal resistance r are connected in parallel with resistor R. The current f… GSEB Board July 2015
• A cell supplies a current of 0.9 A through a 2 Ω resistor and a current of 0.3 A through a 7 Ω resistor. What… GSEB Board July 2017
• A student is asked to connect four cells of emf ε each and internal resistance r each in series (helping cond… GSEB Board July 2018
• The internal resistance of a battery of 2 V terminal voltage is 0.2 Ω. If the current flowing through the bat… GSEB Board March 2020 (old course)
• The storage battery of a car has an emf of 12 V. If the internal resistance of the battery is 0.4 Ω, what is… GSEB Board August 2020
• Two batteries of emf ε₁ and ε₂ (ε₂ > ε₁) and internal resistances r₁ and r₂ respectively are connected in par… GSEB Board March 2023