The lamps in a house hold circuit are connected in parallel because? Mark as favorite Copy Link If one lamp fails the other also fail This way they require less power This way they required less current If one lamp fails the others remain lit Check Answer
The device used for measuring potential difference is known as? Mark as favorite Copy Link Galvanometer Voltmeter Ammeter Potentiometer Check Answer
The resistivity of a certain material is 0.6 ohm-m. The material is most likely to be? Mark as favorite Copy Link a semiconductor a conductor an insulator a superconductor Check Answer
Which of the following is an ohmic resistor? Mark as favorite Copy Link Diode Nichrome Germanium Diamond Check Answer
Two bulbs of 100 W and 40 W are connected in series. The current through the 100 W bulb is 1 A. The current through the ohm0 W bulb will be? Mark as favorite Copy Link 1 A 0.4 A 0.8 A 0.6 A Check Answer
A current of 1 A is drawn by a filament of an electric bulb. Number of electrons passing through a cross-section of the filament in 16 seconds would be roughly? Mark as favorite Copy Link 1023 1018 1020 1016 Check Answer
How many joules of electrical energy are transferred per second by a 6 V; 0.5 A Lamp? Mark as favorite Copy Link 0.83 J/s 30 J/s 3 J/s 12 J/s Check Answer
The free electrons of a metal? Mark as favorite Copy Link Are free to escape through the surface Do not collide with each other Are free to move anywhere in the metal Do not collide with each other Check Answer
The current in a wire? Mark as favorite Copy Link Does not depend on resistance and potential difference Depends only on the resistance of the wire Depends on both resistance and potential difference Depends only on the potential difference applied Check Answer
When there is an electric current passing through a wire, the particles moving are? Mark as favorite Copy Link Ions Electrons Atoms Protons Check Answer