Download App
Assertion : An electric bulb becomes dim, when the electric heater in parallel circuit is switched on.

Reason : Dimness decreases after sometime.

  • A
    If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
  • B
    If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
  • C
    If the Assertion is correct but Reason is incorrect.
  • D
    If both the Assertion and Reason are incorrect.
AIIMS 2008, Easy
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Download App

Similar Questions

  • 1
    The Kirchhooff's first law $\left(\sum i=0\right)$ and second law ( $\left.\sum i R=\sum E\right)$, where the symbols have their usual meanings, are respectively based on
    View Solution
  • 2
    An electric bulb marked $40\, W$ and $200\, V$, is used in a circuit of supply voltage $100\, V$. Now its power is
    View Solution
  • 3
    Two rods of same material and length have their electric resistance in ratio $1:2$. When both rods are dipped in water, the correct statement will be
    View Solution
  • 4
    Consider four conducting materials copper, tungsten, mercury and aluminium with resistivity $\rho_{ C }, \rho_{ T }, \rho_{ M }$ and $\rho_{ A }$ espectively Then:
    View Solution
  • 5
    Water boils in an electric kettle in $20$ minutes after being switched on. Using the same main supply, the length of the heating element should be. . . . . . .to . . . . . .. times of its initial length if the water is to be boiled in $15$ minutes.
    View Solution
  • 6
    In a meter bridge the point $D$ is neutral point as shown in the figure.
    View Solution
  • 7
    Two resistors having equal resistances are joined in series and a current is passed through the combination. Neglect any variation in resistance as the temperature changes. In a given time interval
    View Solution
  • 8
    A $5\, V$ battery with internal resistance $2\, \Omega$ and a $2\,V$ battery internal resistance  $1\, \Omega$ are connected to a $10\, \Omega$ resistor as shown in the figure. The current in the $10\, \Omega$ resistor is :-
    View Solution
  • 9
    An ideal cell of emf $10\, V$ is connected in circuit shown in figure. Each resistance is $2\, \Omega .$ The potential difference (in $V$) across the capacitor when it is fully charged is
    View Solution
  • 10
    In given circuit find value of ................... $V$
    View Solution