Which of the following statements is/are true?
(i) In a wire, direction of flow of electron is same as direction of current.
(ii) Randomly moving electrons in a metal wire will start moving in a particular direction when a potential difference is applied across it.
(iii) In a cell, electrons move from negative electrode to positive electrode.
A (ii) and (iii) only
B (i) and (ii) only
C (iii) only
D (ii) only
Study the given flow chart carefully and select the correct option regarding it.
A A metal key can be placed at box H.
B A glass plate can be placed at box I.
C A floor tile can be placed at box J.
D A coin can be placed at box K.
how can a metal key stretch
Refer to the given Venn diagram and select the correct option.
AX could be coriander whereas Y could be rose.
BX could be banana whereas Z could be coriander
CY could be Hibiscus whereas Z could be mint.
DX could be wheat whereas Y could be pea.
c is also correct
Three different types of materials X, Y and Z were used in the experiment shown below here. In both
circuits, the bulbs lighted up.
Another different circuit was set up and three of the materials were placed at three different positions, Q1, Q2 and Q3.
Based on the above circuits, which one of the following is wrong?
Positions in the circuit--- Light bulbs
Refer to the given Venn diagram and select the incorrect option.
AP - Frog, Q - Earthworm
BQ - Cockroach, R - Amoeba
CR - Earthworm, Q - Cockroach
DP - Frog, Q - Grasshopper
answer should be C