Current Electricity

Current Electricity
The materials having a nonlinear voltage-current relationship are
ohmic
non-ohmic
batteries
capacitors
Author: rikazzz Comment
Current Electricity
The positive terminal of the battery is connected to the voltmeter’s
neutral terminals
negative terminal
positive terminal
none of above
Author: rikazzz Comment
Current Electricity
A sensitive instrument that detects current in a circuit and always connected in series with the circuit is called
Vernier calipers
galvanometer
ammeter
voltmeter
Author: rikazzz Comment
Current Electricity
In Pakistan, the frequency of alternating current is
40 Hz
50 Hz
60 Hz
70 Hz
Author: rikazzz Comment
Current Electricity
The color of livewire is
red or brown
green or yellow
black or blue
white or pink
Author: rikazzz Comment
Current Electricity
All materials contain
some gas
capacitors
voltage
electrons
Author: rikazzz Comment
Current Electricity
If a charge of one coulomb passing through a cross-sectional area in one second, the current is
two amperes
half ampere
one ampere
three ampere
Author: rikazzz Comment
Current Electricity
The first practical electric battery, known as the voltaic pile was developed by
Newton
Luigi Galvano
Alessandro Volta
Hooke Alexander
Author: rikazzz Comment
Current Electricity
(energy/charge) is equal to
convential current
capacity
potential difference
electromotive force
Author: rikazzz Comment
Current Electricity
The insulations around wires are damaged due to
less current
less voltage
high current
high voltage
Author: rikazzz Comment

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