Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Chemical energy Mechanical energy None of these Electronical energy Solar energy Chemical energy Mechanical energy None of these Electronical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following devices is most often used for measuring electrical potential difference? None of these Wattmeter Voltmeter Ammeter Ohmmeter None of these Wattmeter Voltmeter Ammeter Ohmmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91? 1000 W 200 W 100 W None of these 20 W 1000 W 200 W 100 W None of these 20 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? None of these 7.8 mA 200 mA 300 mA 208 mA None of these 7.8 mA 200 mA 300 mA 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole None of these that would be attracted to the earths north magnetic pole that would be repelled by the north pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's south magnetic pole None of these that would be attracted to the earths north magnetic pole ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The smallest electrically charged particle None of these The number of free electrons in an atom The flow of charged particles through a material Trie force that causes electrons to flow The smallest electrically charged particle None of these The number of free electrons in an atom The flow of charged particles through a material Trie force that causes electrons to flow ANSWER DOWNLOAD EXAMIANS APP