The net resistance of a voltmeter should be large to ensure that
  • A
    It does not get overheated
  • B
    It does not draw excessive current
  • C
    It can measure large potential difference
  • D
    It does not appreciably change the potential difference to be measured
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.*

Similar Questions

  • 1
    The resistivity of a wire
    View Solution
  • 2
    Following figures show different combinations of identical bulb$(s)$ connected to identical battery$(ies)$. Which option is correct regarding the total power dissipated in the circuit?
    View Solution
  • 3
    A $6.0\,volt$ battery is connected to two light bulbs as shown in figure. Light bulb $1$ has resistance $3\,ohm$ while light bulb $2$ has resistance $6\,ohm.$ Battery has negligible internal resistance. Which bulb will glow brighter?
    View Solution
  • 4
    Assertion : When current through a bulb decreases by $0.5\%$, the glow of bulb decreases by $1\%$.

    Reason : Glow (Power) which is directly proportional to square of current.

    View Solution
  • 5
    An electric wire is connected across a cell of $e.m.f.$ The current $I$ is measured by an ammeter of resistance $R$. According to ohm's law
    View Solution
  • 6
    Ten $60 \,W , 220 \,V$ bulbs are connected in series to $220 \,V$ supply. Power consumed in the circuit is ......... $W$
    View Solution
  • 7
    In the shown arrangement of the experiment of the meter bridge if $AC$ corresponding to null deflection of galvanometer is $x$, what would be its value if the radius of the wire $AB$ is doubled
    View Solution
  • 8
    Effective resistance across $A B$ in the network shown in .......... $\Omega$
    View Solution
  • 9
    A parallel combination of two resistors, of $1  \,\Omega$ each, is connected in series with a $1.5  \,\Omega$ resistor. The total combination is connected across a $10\, V$ battery. The current flowing in the circuit is .............. $A$
    View Solution
  • 10
    $A$ constant voltage is applied between the two ends of a uniform metallic wire. Some heat is developed in it. The heat developed is doubled if
    View Solution