10.
A parallel capacitor of plate area 2m 2 and plate separation 5 mm is charged to 10,000 V in free space. Calculate (a) capacitance (b) Charge (c) Charge density (d) Field intensity (e) Field displacemen..
10.
A sensitive microphone cannot withstand currents greater than 0.05A. When connected across a thermocouple of emf 8.5 mV, the current in a very low resistance ammeter placed in series in the circuit reads 34 mA. Calculate the resistance of the microphon..
..Numerical -10
Determine the half life of a radioactive materia..
Numerical 10
A sensitive microphone cannot withstand currents greater than 0.05A. When connected across a thermocouple of emf 8.5 mV, the current in a very low resistance ammeter placed in series in the circuit reads 34 mA. Calculate the resistance of the microphon..
Atoms and Nuclei Problems - Numerical 10
10. - Determine the half life of a radioactive material if its activity falls ..
10. - Determine the half life of a radioactive material if its activity falls ..Effects of Current Problems - Numerical 10
10. - A sensitive microphone cannot withstand currents greater than 0.05A. When connected across a thermocouple of emf 8.5 mV, the current in a very low resistance ammeter placed in series in the circuit reads 34 mA. Calculate the resistance of the microphon..
Abbreviations in powers of 10 (used in SI units)
>Full names of the units do not begin with capital letter E.g., newton and not Newton. The symbols of units, named after a scientists, have initial capital letter. E.g., J for joule, K for Kelvin. Symbols do not have plural form. E.g., 5 kg (not 5 kgs), 25 m (not 25 metres). A unit symbol is repres..
>Full names of the units do not begin with capital letter E.g., newton and not Newton. The symbols of units, named after a scientists, have initial capital letter. E.g., J for joule, K for Kelvin. Symbols do not have plural form. E.g., 5 kg (not 5 kgs), 25 m (not 25 metres). A unit symbol is repres..Abbreviations in Power of 10 (Used in SI units)
Prefixes are used for large and small quantities. The following table gives prefixes, their symbol and their values in powers of 10 used in SI unit..
Moving Charges and Magnetism Problems - Numerical 10
10. - A straight solenoid has 400 turns wound on a cylinder of radius 5cm and length 40cm. What is the magnetic field at the mid-point of solenoid when a current of 2A flows in i..
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