difference between terminal voltage and e.m.f
Why is ammeter connected in series?
10,000 alpha particles per minute are passing through a straight tube of radius r . the resulting electric current is approximately -
a . 0.5*10-16amp
b. 2*1012amp
c . 0.5 *1012 amp d. 2*10-12 amp
a wire of 9 ohm resistance having 30cm length is tripled o itself.what is its new resistance and why??
what is ohmic and non-ohmic resistors?
a wire of 3 ohm resistanc and 10cm length is stretched to 30cm length. assuming that it has a uniform cross section what will be its new resistance?
How does the resistance of wire depend on its radius ? explain your answer.
Why a fuse is always connected in series?
resistence of rod is 1ohm . it is bent in the form of square . the resistence acrosss adjoint corners is_________________________
A battery of e.m.f 15V and internal resistance 3ohm is connected to two resistors 3ohm and 6ohm connected in parallel . Find:
A metal wire of resistance 6 ohm is stretched so that its length is increased to twice its original length.Calculate its new resistance.
Explain why the potential difference across the terminals of a cell is more in an open circuit and reduced in a closed circuit.
a wire of resistance 20 ohms is bent to form a closed square. What is the resistance across a diagonal of the square? Please explain me in brief.
what is the necessary condition for a conductor to obey ohms law?
a battery of emf 3 volt and internal resistance r is connected in series with a resistor of 55ohms through an ammeter of resistance 1 ohm . the ammeter reads 50mA . calculate the value of r
difference between terminal voltage and e.m.f
Why is ammeter connected in series?
10,000 alpha particles per minute are passing through a straight tube of radius r . the resulting electric current is approximately -
a . 0.5*10-16amp
b. 2*1012amp
c . 0.5 *1012 amp d. 2*10-12 amp
a wire of 9 ohm resistance having 30cm length is tripled o itself.what is its new resistance and why??
what is ohmic and non-ohmic resistors?
a wire of 3 ohm resistanc and 10cm length is stretched to 30cm length. assuming that it has a uniform cross section what will be its new resistance?
How does the resistance of wire depend on its radius ? explain your answer.
Why a fuse is always connected in series?
resistence of rod is 1ohm . it is bent in the form of square . the resistence acrosss adjoint corners is_________________________
A battery of e.m.f 15V and internal resistance 3ohm is connected to two resistors 3ohm and 6ohm connected in parallel . Find:
A metal wire of resistance 6 ohm is stretched so that its length is increased to twice its original length.Calculate its new resistance.
Explain why the potential difference across the terminals of a cell is more in an open circuit and reduced in a closed circuit.
a wire of resistance 20 ohms is bent to form a closed square. What is the resistance across a diagonal of the square? Please explain me in brief.
what is the necessary condition for a conductor to obey ohms law?
a battery of emf 3 volt and internal resistance r is connected in series with a resistor of 55ohms through an ammeter of resistance 1 ohm . the ammeter reads 50mA . calculate the value of r