Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of each of them decreases. copper increases and germanium decreases. each of them increases. copper decreases and germanium increases. each of them decreases. copper increases and germanium decreases. each of them increases. copper decreases and germanium increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of 200 W, 200 V lamp is 100 Ω. 400 Ω. 200 Ω. 800 Ω. 100 Ω. 400 Ω. 200 Ω. 800 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If 1 A current flows in a circuit, the number of electrons flowing through this circuit is 0.625 × 1019 0.625 × 10 - 19 1.6 × 10 - 19 1.6 × 1019 0.625 × 1019 0.625 × 10 - 19 1.6 × 10 - 19 1.6 × 1019 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Under resonance condition the phase angle between voltage phase and current phase is 90° 0° 45° - 90° 90° 0° 45° - 90° ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The value of E within the field due to a point charge can be found with help of Kirchhoffs law. Faradays law. Coulombs law. Lenzs law. Kirchhoffs law. Faradays law. Coulombs law. Lenzs law. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 4.123 V. 7 V. {3 + 2(1.141)} V. 5 V. 4.123 V. 7 V. {3 + 2(1.141)} V. 5 V. ANSWER DOWNLOAD EXAMIANS APP
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