Physics

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A 60-W light bulb connected to a 120-V source draws a current of A) 0.25 A. B) 0.5 A. C) 2.0 A. ... Started by maychende	1 Replies 154 Views	Jul 29, 2018 by hramirez205
When we say an appliance uses up electricity, we mean A) current disappears. B) electric charges ... Started by ericka1	1 Replies 70 Views	Jul 29, 2018 by ong527
The energy dissipated in a light bulb in a circuit is provided by the A) lamp filament itself. ... Started by Pineapplelove6	1 Replies 87 Views	Jul 29, 2018 by alvinum
The current drawn by a 1200-W toaster connected to 120 V is 10 A. The resistance of the toaster ... Started by Pineapplelove6	3 Replies 170 Views	Jul 29, 2018 by joshbk44
A 60-W and a 100-W light bulb are connected in series to a 120-V outlet. Which bulb draws more ... Started by londonang	1 Replies 187 Views	Jul 29, 2018 by Smiles0805
Compared with the amount of current in the filament of a lamp, the amount of current in the ... Started by silviawilliams41	1 Replies 122 Views	Jul 29, 2018 by briseldagonzales
A lamp rated 23W 120V means that it will deliver 23 W A) when the voltage across it is 120 V. B) ... Started by azncindy619	1 Replies 106 Views	Jul 29, 2018 by beccamahon
The amount of current in a CFL rated 23W 120V is about A) 0.2A. B) 5.2A. C) more than ... Started by Tirant22	3 Replies 76 Views	Jul 29, 2018 by bitingbit
By convention, the direction of current in a circuit is A) from the positive terminal of a source ... Started by Arii_bell	1 Replies 52 Views	Jul 29, 2018 by perkiness
When a pair of identical lamps are connected in parallel A) voltage across each is the same. B) ... Started by pragya sharda	1 Replies 220 Views	Jul 29, 2018 by jesse.fleming
Modern automobile headlights are connected in A) parallel. B) a perpendicular orientation. C) ... Started by clmills979	1 Replies 96 Views	Jul 29, 2018 by jxjsniuniu
The safety fuse in an electric circuit is connected to the circuit in A) series. B) parallel. ... Started by LaDunn	3 Replies 208 Views	Jul 29, 2018 by diesoon
As more lamps are connected in a parallel circuit, the overall current in the power source A) ... Started by fagboi	1 Replies 323 Views	Jul 29, 2018 by janeli
As more lamps are connected in a series circuit, the overall current in the power source A) ... Started by penza	1 Replies 884 Views	Jul 29, 2018 by akudia
A circuit breaker often serves the same purpose as a A) battery B) fuse. C) capacitor. D) all ... Started by mcmcdaniel	1 Replies 173 Views	Jul 29, 2018 by helenmarkerine
The equivalent resistance of any series of resistors in a circuit is A) often less than the ... Started by wrbasek0	3 Replies 311 Views	Jul 29, 2018 by BAOCHAU2803
The source of all magnetism is A) tiny pieces of iron. B) tiny domains of aligned atoms. C) ... Started by sheilaspns	1 Replies 207 Views	Jul 29, 2018 by Pamela.irrgang@yahoo.com
The force that acts between a pair of magnetic poles depends on A) magnetic pole strength. B) ... Started by Redwolflake15	1 Replies 204 Views	Jul 29, 2018 by Cheesycrackers
A current-carrying loop of wire experiences no tendency to rotate in a magnetic field when A) ... Started by crazycityslicker	1 Replies 222 Views	Jul 29, 2018 by af
A beam of electrons can pass through a magnetic field without being deflected if the direction of ... Started by dalyningkenk	3 Replies 118 Views	Jul 29, 2018 by chjcharjto14
A superconducting magnet uses A) iron cores. B) superconducting coils. C) both of these D) ... Started by nmorano1	1 Replies 81 Views	Jul 29, 2018 by Kaytorgator
Refrigerator magnets are typically A) short range. B) long range. C) none of ... Started by tiffannnnyyyyyy	1 Replies 148 Views	Jul 29, 2018 by sylvia
If you break a bar magnet in half you'll A) destroy its magnetic properties. B) have two ... Started by dmcintosh	1 Replies 80 Views	Jul 29, 2018 by iman
Surrounding every stationary electron is A) a magnetic field. B) an electric field. C) both of ... Started by Brittanyd9008	3 Replies 107 Views	Jul 29, 2018 by sarajane1989
Surrounding every magnet is A) a magnetic field. B) an electric field. C) both of these D) ... Started by appyboo	1 Replies 94 Views	Jul 29, 2018 by Amiracle