n the dark, is the current through an LDR higher or lower than in the light?

In bright light, will an LDR have a high or a low resistance?

LDRs are sometimes used in automatic lights that turn on when it gets dark outside. When it gets dark outside, the resistance of the LDR will be __________. What word completes the sentence?lowzerohigh

In optical fiber communication, dark current is

The photoreceptors that are most sensitive to light and can function in dim light are the

32 The circuit diagrams show two lamps X and Y each connected to a cell. The current in lamp X is0.50 A and its resistance is 9.6 . The current in lamp Y is 3.0 A and its resistance is 1.2 .0.50 A lamp X9.6 3.0 A lamp Y1.2 What is the ratio YlampinpowerXlampinpower ?A 0.22 B 0.75 C 1.3 D 4.533 The intensity of light incident on a light-dependent resistor (LDR) is increased. The temperatureof a thermistor is increased. In each case, the current in the component is maintained at aconstant value.What happens to the potential difference across each component?LDR thermistorA increases increasesB increases decreasesC decreases increasesD decreases decreases34 An iron wire has length 8.0 m and diameter 0.50 mm. The wire has resistance R.A second iron wire has length 2.0 m and diameter 1.0 mm.What is the resistance of the second wire?A 16R B 8R C 2R D R35 A cell with constant electromotive force (e.m.f.) is connected across a fixed resistor. Over time,the internal resistance of the cell increases.Which change occurs as the internal resistance of the cell increases?A a decrease in the charge of each charge carrierB a decrease in the potential difference measured across the cellC an increase in the energy dissipated per unit time in the fixed resistorD an increase in the number of charge carriers leaving the cell per unit time