Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Mechanical energy Chemical energy Solar energy None of these Electronical energy Mechanical energy Chemical energy Solar energy None of these Electronical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 700 V None of these 208 V 707 V 651 V 700 V None of these 208 V 707 V 651 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: how well the material concentrates magnetic lines of force the amount of opposition to the current flow None of these how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force the amount of opposition to the current flow None of these how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode None of these 10 mA 12 mA 11 mA 14 mA None of these 10 mA 12 mA 11 mA 14 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical into electrical energy is? solar cell generator chemical cell thermocouple None of these solar cell generator chemical cell thermocouple None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than neutrons None of these An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more protons than electrons An atom that contains more electrons than neutrons None of these An atom that contains more protons than neutrons An atom that contains more electrons than protons An atom that contains more protons than electrons ANSWER DOWNLOAD EXAMIANS APP
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