What is the lowest total resistance that can be secured by combinations of four coils of resistance `4Omega`, `8Omega`, `12Omega`, `24Omega` ?

How can three resistors of resistances 2Omega , 3Omega , and 6Omega be connected to give a total resistance of 4Omega ?

How can three resistors of resistances 2Omega , 3Omega , and 6Omega be connected to give a total resistance of 1Omega ?

Show how you would connect three resistors, each of resistance 6Omega , so that combination has a resistance of 4Omega .

Show how you would connect three resistors, each of resistance 6Omega , so that combination has a resistance of 9Omega .

For a Common emitter emplifer the voltage across collector resistance 2kOmega is 2V. If the current amplification factor is 200 and base resistance is 1.5Omega , what is the inpur voltage?

The resistance of a Cu wire at 20^@C is 200Omega what is the resistance at 50^@C ?

Judge the equivalent resistance when the following are connected in parallel ----- 1Omega and 10^6Omega , 1Omega and 10^3Omega , and 10^6Omega .

A battery of e.m.f 2V and internal resistance 1Omega is used to send a current through a potentiometer wire of length 200cm and resistance 4Omega . What length of the wire will be required to balance a cell of e.m.f 1.08V?