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Indian Navy 10+2 B.Tech Cadet Current Electricity — practice questions

Explore 29 free Current Electricity questions in Indian Navy 10+2 B.Tech Cadet Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Current Electricity questions and exercises with answers

Showing questions 1–29 of 29.

Ohm's law states V = ___ ?Read the answer and worked solution →For resistors in PARALLEL, the equivalent resistance is given by:Read the answer and worked solution →A galvanometer can be CONVERTED to an ammeter by:Read the answer and worked solution →True or false: what emf actually isRead the answer and worked solution →Complete the statement of Ohm's lawRead the answer and worked solution →Tap every way Ohm's law can failRead the answer and worked solution →Match each device or material to its behaviourRead the answer and worked solution →Sort each material by its resistivityRead the answer and worked solution →Complete the resistance relationRead the answer and worked solution →True or false: resistance and resistivityRead the answer and worked solution →Match each of Kirchhoff's rules to what it conservesRead the answer and worked solution →Kirchhoff's rulesRead the answer and worked solution →Order the steps: find an unknown resistance with a Wheatstone bridgeRead the answer and worked solution →True or false: internal resistanceRead the answer and worked solution →Which quantity is which?Read the answer and worked solution →Assertion and reasonRead the answer and worked solution →Charge carriersRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Three of these are wrong. Find the one that holds.Read the answer and worked solution →Tap every statement true of drift velocityRead the answer and worked solution →Complete the temperature coefficient definitionRead the answer and worked solution →Flip and pair: symbol with quantityRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Reading the definitions backRead the answer and worked solution →Property of the object or of the substance?Read the answer and worked solution →Order the chain: field to currentRead the answer and worked solution →True or false: circuits and sourcesRead the answer and worked solution →Assertion and reason: circuitsRead the answer and worked solution →Tap every quantity the chapter treats as material-dependentRead the answer and worked solution →

Worked practice questions

Ohm's law states V = ___ ?

  1. I + R
  2. I/R
  3. IR
  4. I − R
Show answer and solution

Correct answer: C. IR

V = IR. **Ohm's law:** at constant temperature, the current through a conductor is proportional to the potential difference across it the constant is resistance R.

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For resistors in PARALLEL, the equivalent resistance is given by:

  1. R₁ − R₂
  2. R₁ × R₂
  3. 1/R = 1/R₁ + 1/R₂ + ...
  4. R₁ + R₂
Show answer and solution

Correct answer: C. 1/R = 1/R₁ + 1/R₂ + ...

**For parallel:** voltage is same across each, currents add. 1/R_eq = Σ(1/Rᵢ). Equivalent is always LESS than any individual.

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A galvanometer can be CONVERTED to an ammeter by:

  1. Removing the galvanometer
  2. Connecting a low resistance (shunt) in PARALLEL
  3. Reversing the wire
  4. Connecting a high resistance in series
Show answer and solution

Correct answer: B. Connecting a low resistance (shunt) in PARALLEL

A low-resistance shunt connected in parallel diverts most current, allowing the galvanometer to measure large currents. Shunt resistance S = I_g G / (I - I_g).

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