Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Current Electricity question

2019 · 10 Jan · Shift 1 · Q47
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Current Electricity
  5. /2019 · 10 Jan · Shift 1 · Q47

Current Electricity question

2019 · 10 Jan · Shift 1 · Q47

JEE MainPhysicsCurrent ElectricityMCQ+4 / −1
A 2 W carbon resistor is color coded with green, black, red and brown respectively. The maximum current which can be passed through this resistor is -
  1. A
    0.4 mA
  2. B
    20 mA
  3. C
    63 mA
  4. D
    100 mA
PreviousNext

More from Current Electricity

  • A uniform metallic wire has a resistance of 18 Ω and is bent into an equilateral triangle. Then, the resistance between any two vertices of the triangle is -2019 · MCQ
  • In the given circuit the cells have zero internal resistance. The currents (in Amperes) passing through resistance R1 and R2 respectively, are - Includes diagram2019 · MCQ
  • The actual value of resistance R, shown in the figure is 30 Ω. This is measuered in an experiment as shown using the standard formula R = IV​, where V and I are the readings of the voltmeter and ammeter,… Includes diagram2019 · MCQ
  • The Wheatstone bridge shown in figure, here, gets balanced when the carbon resistor used as R1 has the colour code (Orange, Red, Brown). The resistors R2 and R4 are 80 Ω and 40 Ω, respectively. Assuming that the colour code… Includes diagram2019 · MCQ
  • A current of 2 mA was passed through an unknown resistor which dissipated a power of 4.4 W. Dissipated power when an ideal power supply of 11 V is connected across it is -2019 · MCQ
  • In a Wheatstone bridge(see fig.), Resistances P and Q are approximately equal. When R = 400 Ω, the bridge is balanced. On interchanging P and Q, the value of R, for balance, is 405 Ω. The value of X is close to : Includes diagram2019 · MCQ
  • The resistance of the meter bridge AB in given figure is 4 Ω. With a cell of emf ε= 0.5 V and rheostat resistance Rh = 2 Ω the null point is obtained at some point J. When the cell is replaced by another one of… Includes diagram2019 · MCQ
  • Two equal resistances when connected in series to a battery, consume electric power of 60 W. If these resistances are now connected in parallel combination to the same battery, the electric power consumed will be :2019 · MCQ