Judge the equivalent resistance when the following are connected in parallel: $1\, \Omega$ and $10^6\, \Omega$.

  • A
    Less than $1\, \Omega$
  • B
    More than $1\, \Omega$
  • C
    Exactly $1\, \Omega$
  • D
    Exactly $10^6\, \Omega$

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Similar Questions

The values of current $I$ flowing in a given resistor for the corresponding values of potential difference $V$ across the resistor are given below -
$I$ (amperes)$0.5$$1.0$$2.0$$3.0$$4.0$
$V$ (volts)$1.6$$3.4$$6.7$$10.2$$13.2$

Plot a graph between $V$ and $I$ and calculate the resistance of that resistor.

Explain the following.
$(a)$ Why is the series arrangement not used for domestic circuits?
$(b)$ How does the resistance of a wire vary with its area of cross-section?

Explain the following.
$(a)$ Why are copper and aluminium wires usually employed for electricity transmission?

Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and then parallel in a circuit across the same potential difference. The ratio of heat produced in series and parallel combinations would be -

Difficult
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On what factors does the resistance of a conductor depend?

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