Quiz Space

Electronic Systems Thinking and Circuits · Qualifier · 16 Mar 2025 · January 2025 term

Question 3: Four equal-value resistors are connected in parallel acro…

Question 3

+1 markOne correct option

Four equal-value resistors are connected in parallel across a voltage source of 5 V. A current of 2.5 mA is measured flowing out of the source. Then the value of each resistor is 0.25 Ω.

  1. A

    TRUE

  2. B

    FALSE

Show answer

Correct answer

  • B

    FALSE

See the whole paperTake it as a mock test

Question 3 of 27 in the IIT Madras BS Electronic Systems Thinking and Circuits (ESTC) Qualifier paper sat on 16 Mar 2025, in the January 2025 term (IIT M ES QUALIFIER AN EXAM QEQ1 16 Mar 2025). It carries 1 mark.

More questions from this paper

  1. Q1If the magnitude of the voltage across a given capacitor is increased, the amount of stored charge also increases.
  2. Q2Figure question
  3. Q4The time period of any wave is generally measured as the time interval between a positive peak and the succeeding negat…
  4. Q5Figure question
  5. Q6Figure question
  6. Q7Ampere - hour is an equivalent unit of power.
  7. Q8If the third harmonic frequency is 150 Hz, then the fundamental frequency is 25 Hz.
  8. Q9A 100 Ω resistor is connected in series with a parallel combination of four 1 kΩ resistors. A 100 V source voltage is a…
  9. Q10In a parallel plate capacitor, the value of the capacitance is independent of the distance between the plates.
  10. Q11The angular frequency of v1(t) is _ rad/s
  11. Q12The angular frequency of v2(t) is _ rad/s
  12. Q13The value of unknown resistor R1 is Ω
  13. Q14The value of unknown resistor R2 is Ω
  14. Q15An ideal 1200 mAh battery is driving a load that draws a constant current of 60 mA. The fully charged battery would dra…
  15. Q16Figure question
  16. Q17In the following circuit, if each of the resistors is 1 Ω, then the equivalent resistance of the circuit between the te…
  17. Q18The node voltage VX with respect to ground is V
  18. Q19The current I in the direction shown is A
  19. Q20The power dissipated by the 2 Ω resistor is _W
  20. Q21The power dissipated by the 5 Ω resistor is W
  21. Q22The power dissipated by the 10 Ω resistor is _W
  22. Q23The current I1 flowing through the 10 Ω resistor in the direction shown is A
  23. Q24The current I2 flowing through the 12 Ω resistor in the direction shown is _A
  24. Q25The current I3 flowing through the 15 Ω resistor in the direction shown is A
  25. Q26Power dissipated by the 12 Ω resistor is W.
  26. Q27The equivalent resistance of the circuit measured with an ohmmeter in place of the 20 V voltage source is _ Ω