Current Electricity Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across Rl None of them Ri Either Rl or Ri Rl None of them Ri Either Rl or Ri ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Constantan wire is used for making starndard resistance because it has Negligibly small temperature co-efficient of resistance High melting point Low specific resistance High specific resistance Negligibly small temperature co-efficient of resistance High melting point Low specific resistance High specific resistance ANSWER DOWNLOAD EXAMIANS APP
Current Electricity International ohm is defined in terms of the resistance of A cube of carbon The unit length of wire A cube of copper A column of mercury A cube of carbon The unit length of wire A cube of copper A column of mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Which of the following materials has the least resistivity ? Lead Copper Zinc Mercury Lead Copper Zinc Mercury ANSWER DOWNLOAD EXAMIANS APP
Current Electricity When current flows through heater coil it glows but supply wiring does not glow because Supply wires are made of superior material Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Current through supply line flows at slower speed Supply wires are made of superior material Resistance of heater coil is more than the supply wires Supply wiring is covered with insulation layer Current through supply line flows at slower speed ANSWER DOWNLOAD EXAMIANS APP
Current Electricity Voltage dependent resistors are used For inductive circuits As heating elements To suppress surges As current stabilizers For inductive circuits As heating elements To suppress surges As current stabilizers ANSWER DOWNLOAD EXAMIANS APP
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