Electronic Principles What form of energy is used for creating static electricity? Solar energy Light energy Chemical energy None of these Mechanical energy Solar energy Light energy Chemical energy None of these Mechanical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of More than 100 k Ohm None of these Less than 100 k Ohm At least 10 Ohm less than 10 Ohm More than 100 k Ohm None of these Less than 100 k Ohm At least 10 Ohm less than 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 0.25 0.5 4 None of these 180 0.25 0.5 4 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An audio transformer has a turn ratio of 9, What is its impedance ratio? 81 9 6 None of these 85 81 9 6 None of these 85 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used to maintain an imbalance of charges between the terminals of a battery? Electronical energy None of these Chemical energy Mechanical energy Solar energy Electronical energy None of these Chemical energy Mechanical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Atoms None of these Negative charges Positive charges Crystals Atoms None of these Negative charges Positive charges Crystals ANSWER DOWNLOAD EXAMIANS APP