The value of reistance of a carbon resistor is `(42xx10^5+-5%)Omega`. What is the colour code of the resistor?

Resistance of a carbon resistor is 6.8 k Omega .What is the first three colour bands on it.

A carbon resistor has a resistance of 10^6 Omega . The colour of its third band is

Two cells , one of emf 1.2 V and internal resistance 0.5Omega the other of emf 2 V and internal resiatnce 0.1Omega are connnected in series with an external resistance of 5Omega . What is the current through this resistor ?

A resistor of magnitude 45 Omega is connected to an electric cell of emf 12V and of 3 Omega internal resistance. An ammeter of resistance 4.5 Omega and a voltmeter of resistance 405 Omega are properly connected with the resistor.What percentage errors is flowing current and potential difference will occur?

Brown,black orange and gold are the respective colours of the characteristic rings on a carbon resistor. Which of the following values of its resistance are definitely wrong?

A battery of emf 10V and internal resistance 3 ohm is connected to a resistor. If the current in the circuit is 0.5A, what is the resistance of resistance of resistor ? What is the terminal voltage of the battery when the circuit is closed?

A storage battery of emf 8.0V and internal resistance 0.5Omega is being charged by a 120V de supply using a series resistor of 15.5Omega . What is the terminal voltage of the battery during charging? What is the purpose of having a series resistor in the charging circuit?

An ac source is connected in series with an inductor of 5H and a resistor of 1000Omega . The rms value of voltage of the source is 100 V and the frequency of the source is 50cps. What is the rms value of the current in the circuit? What is the phase difference of the voltage and the current in the circuit? What is the power dissipated in the circuit?

The vaIue of two resistors are (5.0 pm 0.2)k Omega and (10.0 pm 0.1)k Omega . What is the percentage error in the equivaIent resistance when they are connected in paraIIeI?

A storage battery of emf 8.0 V and internal resistance 0.5 Omega is being charged by a 120 V dc supply using a series resistor of 15.5 Omega .What is the terminal voltage of the battery during charging? What is the purpose of using the series resistor in the charging circuit?