Charge and Current
- 220 minutes
- 330 minutes
- 55 minutes
- 110 minutes
The work function of a metal is
- 0.4065 g
- 65.04 g
- 40.65 g
- 4.065 g
What voltage will electrolysis remove rust?
If a coil of metal wire is kept stationary in a non-uniform magnetic field, then
An e.m.f. is induced in the coil
A current is induced in the coil
Neither e.m.f. nor current is induced
Both e.m.f. and current is induced
How is the band gap formed?
State two characteristics of a good thermion emitter.
State Faradays Laws of Electromagnetic Induction.
how did we found out the mass of positive particles in canal rays experiment with discharge tube
charge is passed through a lead storage battery. In the anodic reaction, what is the amount of precipitated (Molar mass of is ) ?
What is a proton? State the charge on a proton in coulombs and mass in grams.
The minimum frequency of continuous -rays is related to the applied pot. diff. as
10800C ofelectricity through the electrolyte deposited 2. 977 gram of metal with atomic mass of 106.4 gram per mole find the charge on the metal cations
How many moles of water are required to be dissociated to produce oxygen which is just sufficient to form 800 g of magnesium oxide by burning magnesium? (atomic weight of Mg is 24)
How will you determine the charge and mass of an electron?
Explain how electrolysis is an example of a redox reaction.
An apparatus used for the measurement of quantity of electricity is known as a