Two bulbs of $(40 \;W, 200\; V)$ and $(100\; W, 200 \;V)$. Then correct relation for their resistance
  • A$R _{40} < R _{100}$
  • B$R _{40} = R _{100}$
  • C$R _{40} > R _{100}$
  • D
    No relation can be predicted
AIPMT 2000, Medium
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.*

Similar Questions

  • 1
    In the circuit shown in the figure below, which of the following statement is incorrect ?
    View Solution
  • 2
    Two bulbs are in parallel and they together consume $48\, W$ from a battery of $6\, V$. The resistance of each bulb is ............ $\Omega$
    View Solution
  • 3
    In the given figure $-1$, resistance of shown voltmeter is variable. Variation of whose reading with respect to its resistance is shown in figure $-2$. The value of $R$ is ............... $\Omega$
    View Solution
  • 4
    The resistance of a discharge tube is
    View Solution
  • 5
    In the circuit shown the cells are ideal and of equal emfs, the capacitance of the capacitor is $C$ and the resistance of the resistor is $R. X$ is first joined to $Y$ and then to $Z$. After a long time, the total heat produced in the resistor will be
    View Solution
  • 6
    In the adjoining circuit, the battery $E_1$ has an emf of $12\, volt$ and zero internal resistance while the battery $E_2$ has an $emf$ of $2\, volt$. If the galvanometer $G$ reads zero, then the value of the resistance $X$ (in $ohm$ ) is
    View Solution
  • 7
    Two batteries $A$ and $B$ each of $e.m.f.$ $2\, V$ are connected in series to an external resistance $R = 1 \,ohm$. If the internal resistance of battery $A$ is $1.9\, ohms$ and that of $B$ is $0.9\, ohm$, what is the potential difference between the terminals of battery $A$ ............. $V$
    View Solution
  • 8
    Figure shows a simple potentiometer circuit for measuring a small $e.m.f$. produced by a thermocouple. The meter wire $PQ$ has a resistance $5 \,\Omega$ and the driver cell has an e.m.f. of $2\, V$. If a balance point is obtained $0.600\, m$ along $PQ$ when measuring an e.m.f. of $6.00\, mV$, what is the value of resistance $R$ ............... $\Omega$
    View Solution
  • 9
    Two students $P$ and $Q$ perform an experiment to verify Ohm's law for a conductor with resistance $R$. They use a current source and a voltmeter with least counts of $0.1 mA$ and $0.1 \,mV$, respectively. The plots of the variation of voltage drop $V$ across $R$ with current $I$ for both are shown below. The statement which is most likely to be correct?
    View Solution
  • 10
    If resistance of the filament increases with temperature, what will be power dissipated in a $220\, V- 100\, W$ lamp when connected to $110\, V$ power supply
    View Solution