Un circuit electric simplu conţine un voltmetru care indică 11,4V dacă ȋntrerupătorul este ȋnchis şi 12V dacă este deschis. Prin circuitul bateriei trece o sarcină de 3C ȋn timp de 10s. a) aflaţi valoarea intensităţii curentului ce străbate circuitul; b) care este valoarea rezistenţei interioare? Dar a rezistenţei totale a circuitului electric?

Solar cell a produces 100 joules of energy, when a light source is shown on it for 3 minutes. solar cell b produces 200 joules of energy when the same light source is shown on it for 5 minutes. which solar cell works better? a) solar cell b, because it produces more energy. b) solar cell b, because it generates more power. c) solar cell a, because it produces energy quicker. d) solar cell a, because it generates a greater wattage. eliminate

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.