MCQs on Decomposition Reaction CO2 obtained by the complete decomposition of 20 g CaCO3 at…
MCQs on Conductor and Conductance
MCQs on Conductor and Conductance
- The unit of conductance cannot be expressed in
- mho
- (ohm)-1
- siemens
- ohm/m
Answer: (d)
- The SI unit of specific resistance is
- ohm m
- ohm/m
- ohm/m2
- (ohm)-1
Answer: (a)
- The reciprocal of resistivity of a conductor is
- conductance
- capacitance
- conductivity
- none of these
Answer: (c)
- In order to measure current in a resistance present in a circuit, the ammeter is connected
- in series
- in parallel
- in series or parallel
- nothing can be decided
Answer: (a)
- Good conductors have many loosely bound
- atoms
- protons
- molecules
- electrons
Answer: (d)
- The reciprocal of electrical resistance is
- voltage
- current
- conductance
- none of the above
Answer: (c)
- The element with the highest conductivity is
- gold
- silver
- copper
- platinum
Answer: (b)
- As temperature increases electrolytic conduction
- increases
- decreases
- remains unaffected
- none of the above
Answer: (a)
- The resistance of a conductor varies inversely as
- length
- area of cross-section
- temperature
- Resistivity
Answer: (b)
- With a rise in temperature, the resistance of semiconductors
- decreases
- increases
- first, increase and then decrease
- remains constant
Answer: (a)